diff --git a/CHANGELOG.md b/CHANGELOG.md
index bda5e92f..3511e2a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Not released yet
 
+### Features
+
+* Better rendering of run errors
+
 ### Internal
 
 * Rework the releasing
diff --git a/examples/run.php b/examples/run.php
index 837360b0..8f1bebad 100644
--- a/examples/run.php
+++ b/examples/run.php
@@ -61,7 +61,7 @@ function exception(): void
         output()->writeln('Re-run with -v, -vv, -vvv for different output.');
     }
 
-    run('echo foo; echo bar>&2; exit 1', context: context()->withPty(false)->withQuiet());
+    run('echo $foo; echo ' . str_repeat('x', 1000) . 'bar>&2; exit 1', context: context()->withPty(false)->withQuiet()->withEnvironment(['foo' => 'bar']));
 }
 
 #[AsTask(description: 'Run a sub-process and display information about it, with ProcessHelper')]
diff --git a/src/Console/Application.php b/src/Console/Application.php
index 4e81e444..7eecb057 100644
--- a/src/Console/Application.php
+++ b/src/Console/Application.php
@@ -5,6 +5,7 @@
 use Castor\Container;
 use Castor\Exception\ProblemException;
 use Castor\Kernel;
+use Castor\Runner\ProcessRunner;
 use Symfony\Component\Console\Application as SymfonyApplication;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputDefinition;
@@ -14,6 +15,7 @@
 use Symfony\Component\Console\Style\SymfonyStyle;
 use Symfony\Component\DependencyInjection\Attribute\Autowire;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\Process\Exception\ProcessFailedException;
 
 /** @internal */
 class Application extends SymfonyApplication
@@ -28,6 +30,8 @@ public function __construct(
         private readonly Kernel $kernel,
         #[Autowire(lazy: true)]
         private readonly SymfonyStyle $io,
+        #[Autowire(lazy: true)]
+        private readonly ProcessRunner $processRunner,
     ) {
         parent::__construct(static::NAME, static::VERSION);
     }
@@ -68,6 +72,17 @@ public function renderThrowable(\Throwable $e, OutputInterface $output): void
 
                 return;
             }
+
+            if ($e instanceof ProcessFailedException) {
+                $process = $e->getProcess();
+                $this->io->error('The following process did not finish successfully: (exit code ' . $process->getExitCode() . ')');
+
+                $runnable = $this->processRunner->buildRunnableCommand($process);
+                $this->io->writeln("<fg=yellow>{$runnable}</>");
+                $this->io->newLine();
+
+                return;
+            }
         }
 
         parent::renderThrowable($e, $output);
diff --git a/src/Monolog/Processor/ProcessProcessor.php b/src/Monolog/Processor/ProcessProcessor.php
index deebf280..166a77a3 100644
--- a/src/Monolog/Processor/ProcessProcessor.php
+++ b/src/Monolog/Processor/ProcessProcessor.php
@@ -2,13 +2,21 @@
 
 namespace Castor\Monolog\Processor;
 
+use Castor\Runner\ProcessRunner;
 use Monolog\LogRecord;
 use Monolog\Processor\ProcessorInterface;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
 use Symfony\Component\Process\Process;
 
 /** @internal  */
-class ProcessProcessor implements ProcessorInterface
+final class ProcessProcessor implements ProcessorInterface
 {
+    public function __construct(
+        #[Autowire(lazy: true)]
+        private readonly ProcessRunner $processRunner,
+    ) {
+    }
+
     public function __invoke(LogRecord $record): LogRecord
     {
         foreach ($record->context as $key => $value) {
@@ -30,21 +38,10 @@ public function __invoke(LogRecord $record): LogRecord
      */
     private function formatProcess(Process $process): array
     {
-        $runnable = $process->getCommandLine();
-
-        foreach ($process->getEnv() as $key => $value) {
-            if ('argv' === $key || 'argc' === $key) {
-                continue;
-            }
-            $runnable = \sprintf('%s=%s %s ', $key, escapeshellarg($value), $runnable);
-        }
-
-        $runnable = rtrim($runnable, ' ');
-
         return [
             'cwd' => $process->getWorkingDirectory(),
             'env' => $process->getEnv(),
-            'runnable' => $runnable,
+            'runnable' => $this->processRunner->buildRunnableCommand($process),
         ];
     }
 }
diff --git a/src/Runner/ProcessRunner.php b/src/Runner/ProcessRunner.php
index 6f3e051c..62bb8780 100644
--- a/src/Runner/ProcessRunner.php
+++ b/src/Runner/ProcessRunner.php
@@ -18,6 +18,7 @@
 use Symfony\Component\Process\Process;
 
 use function Castor\context;
+use function Symfony\Component\String\u;
 
 /** @internal */
 class ProcessRunner
@@ -156,7 +157,7 @@ public function run(
 
         $this->eventDispatcher->dispatch(new Event\ProcessCreatedEvent($process));
 
-        $this->logger->notice(\sprintf('Running command: "%s".', $process->getCommandLine()), [
+        $this->logger->notice(\sprintf('Running command: "%s".', u($process->getCommandLine())->truncate(40, '...')), [
             'process' => $process,
         ]);
 
@@ -213,11 +214,7 @@ public function run(
             }
 
             if (!$context->allowFailure) {
-                if ($context->verbosityLevel->isVerbose()) {
-                    throw new ProcessFailedException($process);
-                }
-
-                throw new \RuntimeException("The command \"{$process->getCommandLine()}\" failed.");
+                throw new ProcessFailedException($process);
             }
 
             return $process;
@@ -291,4 +288,18 @@ public function exitCode(
 
         return $process->getExitCode() ?? 0;
     }
+
+    public function buildRunnableCommand(Process $process): string
+    {
+        $runnable = $process->getCommandLine();
+
+        foreach ($process->getEnv() as $key => $value) {
+            if ('argv' === $key || 'argc' === $key) {
+                continue;
+            }
+            $runnable = \sprintf('%s=%s %s ', $key, escapeshellarg($value), $runnable);
+        }
+
+        return rtrim($runnable, ' ');
+    }
 }
diff --git a/tests/Generated/FailureFailureTest.php.err.txt b/tests/Generated/FailureFailureTest.php.err.txt
index d3a74dc3..2d3470f5 100644
--- a/tests/Generated/FailureFailureTest.php.err.txt
+++ b/tests/Generated/FailureFailureTest.php.err.txt
@@ -1,9 +1 @@
 bash: line 1: i_do_not_exist: command not found
-
-In failure.php line XXXX:
-
-  The command "bash -c i_do_not_exist" failed.
-
-
-failure:failure
-
diff --git a/tests/Generated/FailureFailureTest.php.output.txt b/tests/Generated/FailureFailureTest.php.output.txt
index e69de29b..a7fdad81 100644
--- a/tests/Generated/FailureFailureTest.php.output.txt
+++ b/tests/Generated/FailureFailureTest.php.output.txt
@@ -0,0 +1,4 @@
+ [ERROR] The following process did not finish successfully: (exit code 127)
+
+bash -c i_do_not_exist
+
diff --git a/tests/Generated/FailureVerboseArgumentsTest.php b/tests/Generated/FailureVerboseArgumentsTest.php
index 4bff60c6..60a0de73 100644
--- a/tests/Generated/FailureVerboseArgumentsTest.php
+++ b/tests/Generated/FailureVerboseArgumentsTest.php
@@ -17,6 +17,6 @@ public function test(): void
         }
 
         $this->assertStringEqualsFile(__FILE__ . '.output.txt', $process->getOutput());
-        $this->assertStringEqualsFile(__FILE__ . '.err.txt', $process->getErrorOutput());
+        $this->assertSame('', $process->getErrorOutput());
     }
 }
diff --git a/tests/Generated/FailureVerboseArgumentsTest.php.err.txt b/tests/Generated/FailureVerboseArgumentsTest.php.err.txt
deleted file mode 100644
index de44c60a..00000000
--- a/tests/Generated/FailureVerboseArgumentsTest.php.err.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-In failure.php line XXXX:
-
-  The command "bash -c i_do_not_exist" failed.
-
-
-failure:verbose-arguments
-
diff --git a/tests/Generated/FailureVerboseArgumentsTest.php.output.txt b/tests/Generated/FailureVerboseArgumentsTest.php.output.txt
index 523f7eb9..178a9475 100644
--- a/tests/Generated/FailureVerboseArgumentsTest.php.output.txt
+++ b/tests/Generated/FailureVerboseArgumentsTest.php.output.txt
@@ -1,4 +1,9 @@
 bash: line 1: i_do_not_exist: command not found
 
  Do you want to retry the command with verbose arguments? (yes/no) [no]:
- >
\ No newline at end of file
+ >
+
+ [ERROR] The following process did not finish successfully: (exit code 127)
+
+bash -c i_do_not_exist
+
diff --git a/tests/Generated/FailureVerboseArgumentsTrueTest.php b/tests/Generated/FailureVerboseArgumentsTrueTest.php
index f3bf82b2..51227450 100644
--- a/tests/Generated/FailureVerboseArgumentsTrueTest.php
+++ b/tests/Generated/FailureVerboseArgumentsTrueTest.php
@@ -18,6 +18,6 @@ public function test(): void
         }
 
         $this->assertStringEqualsFile(__FILE__ . '.output.txt', $process->getOutput());
-        $this->assertStringEqualsFile(__FILE__ . '.err.txt', $process->getErrorOutput());
+        $this->assertSame('', $process->getErrorOutput());
     }
 }
diff --git a/tests/Generated/FailureVerboseArgumentsTrueTest.php.err.txt b/tests/Generated/FailureVerboseArgumentsTrueTest.php.err.txt
deleted file mode 100644
index 3c518c7d..00000000
--- a/tests/Generated/FailureVerboseArgumentsTrueTest.php.err.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-In failure.php line XXXX:
-
-  The command "bash -c i_do_not_exist -x -e" failed.
-
-  Exit Code: 127(Command not found)
-
-  Working directory: ...
-
-  Output:
-  ================
-  -x: line 1: i_do_not_exist: command not found
-
-
-  Error Output:
-  ================
-
-
-failure:verbose-arguments
-
diff --git a/tests/Generated/FailureVerboseArgumentsTrueTest.php.output.txt b/tests/Generated/FailureVerboseArgumentsTrueTest.php.output.txt
index 58dd0869..d7113d55 100644
--- a/tests/Generated/FailureVerboseArgumentsTrueTest.php.output.txt
+++ b/tests/Generated/FailureVerboseArgumentsTrueTest.php.output.txt
@@ -3,3 +3,7 @@ bash: line 1: i_do_not_exist: command not found
  Do you want to retry the command with verbose arguments? (yes/no) [no]:
  >
 -x: line 1: i_do_not_exist: command not found
+ [ERROR] The following process did not finish successfully: (exit code 127)
+
+bash -c i_do_not_exist -x -e
+
diff --git a/tests/Generated/ParallelExceptionTest.php.err.txt b/tests/Generated/ParallelExceptionTest.php.err.txt
index e2624bff..ab68055d 100644
--- a/tests/Generated/ParallelExceptionTest.php.err.txt
+++ b/tests/Generated/ParallelExceptionTest.php.err.txt
@@ -6,14 +6,6 @@ In parallel.php line XXXX:
 parallel:exception
 
 
-In parallel.php line XXXX:
-
-  The command "exit 1" failed.
-
-
-parallel:exception
-
-
 In parallel.php line XXXX:
 
   One or more exceptions were thrown in parallel.
diff --git a/tests/Generated/ParallelExceptionTest.php.output.txt b/tests/Generated/ParallelExceptionTest.php.output.txt
index 20684626..3b0f46e8 100644
--- a/tests/Generated/ParallelExceptionTest.php.output.txt
+++ b/tests/Generated/ParallelExceptionTest.php.output.txt
@@ -1 +1,5 @@
+ [ERROR] The following process did not finish successfully: (exit code 1)
+
+exit 1
+
 I am executed
diff --git a/tests/Generated/RunExceptionTest.php b/tests/Generated/RunExceptionTest.php
index a1ed80a7..1470f9f9 100644
--- a/tests/Generated/RunExceptionTest.php
+++ b/tests/Generated/RunExceptionTest.php
@@ -17,6 +17,6 @@ public function test(): void
         }
 
         $this->assertStringEqualsFile(__FILE__ . '.output.txt', $process->getOutput());
-        $this->assertStringEqualsFile(__FILE__ . '.err.txt', $process->getErrorOutput());
+        $this->assertSame('', $process->getErrorOutput());
     }
 }
diff --git a/tests/Generated/RunExceptionTest.php.err.txt b/tests/Generated/RunExceptionTest.php.err.txt
deleted file mode 100644
index 540dd19d..00000000
--- a/tests/Generated/RunExceptionTest.php.err.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-In run.php line XXXX:
-
-  The command "echo foo; echo bar>&2; exit 1" failed.
-
-
-run:exception
-
diff --git a/tests/Generated/RunExceptionTest.php.output.txt b/tests/Generated/RunExceptionTest.php.output.txt
index 82f83b6c..2b863ea9 100644
--- a/tests/Generated/RunExceptionTest.php.output.txt
+++ b/tests/Generated/RunExceptionTest.php.output.txt
@@ -1 +1,6 @@
 Re-run with -v, -vv, -vvv for different output.
+
+ [ERROR] The following process did not finish successfully: (exit code 1)
+
+foo='bar' echo $foo; echo xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxbar>&2; exit 1
+
diff --git a/tests/Generated/RunExceptionVerboseTest.php.err.txt b/tests/Generated/RunExceptionVerboseTest.php.err.txt
index 4c213f3b..4eda4ded 100644
--- a/tests/Generated/RunExceptionVerboseTest.php.err.txt
+++ b/tests/Generated/RunExceptionVerboseTest.php.err.txt
@@ -1,7 +1,8 @@
 In ProcessRunner.php line XXXX:
 
   [Symfony\Component\Process\Exception\ProcessFailedException]
-  The command "echo foo; echo bar>&2; exit 1" failed.
+  The command "echo $foo; echo xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxbar>&2; exit 1" failed.
 
   Exit Code: 1(General error)
 
@@ -9,12 +10,13 @@ In ProcessRunner.php line XXXX:
 
   Output:
   ================
-  foo
+  bar
 
 
   Error Output:
   ================
-  bar
+  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+  xxxxxbar
 
 
 Exception trace:
diff --git a/tests/Generated/RunExceptionVerboseTest.php.output.txt b/tests/Generated/RunExceptionVerboseTest.php.output.txt
index ed97c711..7480fca9 100644
--- a/tests/Generated/RunExceptionVerboseTest.php.output.txt
+++ b/tests/Generated/RunExceptionVerboseTest.php.output.txt
@@ -1,2 +1,2 @@
-hh:mm:ss NOTICE    [castor] Running command: "echo foo; echo bar>&2; exit 1". ["process" => ["cwd" => "...","env" => [],"runnable" => "echo foo; echo bar>&2; exit 1"]]
+hh:mm:ss NOTICE    [castor] Running command: "echo $foo; echo xxxxxxxxxxxxxxxxxxxxx...". ["process" => ["cwd" => "...","env" => ["foo" => "bar"],"runnable" => "foo='bar' echo $foo; echo xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxbar>&2; exit 1"]]
 hh:mm:ss NOTICE    [castor] Command finished with an error (exit code=1).
diff --git a/tests/Generated/SshDownloadTest.php.err.txt b/tests/Generated/SshDownloadTest.php.err.txt
index f0168303..ef21c34f 100644
--- a/tests/Generated/SshDownloadTest.php.err.txt
+++ b/tests/Generated/SshDownloadTest.php.err.txt
@@ -1,9 +1 @@
 ssh: Could not resolve hostname server-1.example.com: Name or service not known
-
-In ssh.php line XXXX:
-
-  The command "scp -r debian@server-1.example.com:/tmp/test.html /var/www/index.html" failed.
-
-
-ssh:download
-
diff --git a/tests/Generated/SshDownloadTest.php.output.txt b/tests/Generated/SshDownloadTest.php.output.txt
index e69de29b..5d36ff38 100644
--- a/tests/Generated/SshDownloadTest.php.output.txt
+++ b/tests/Generated/SshDownloadTest.php.output.txt
@@ -0,0 +1,4 @@
+ [ERROR] The following process did not finish successfully: (exit code 1)
+
+scp -r debian@server-1.example.com:/tmp/test.html /var/www/index.html
+
diff --git a/tests/Generated/SshLsTest.php.err.txt b/tests/Generated/SshLsTest.php.err.txt
index 8bffa478..ef21c34f 100644
--- a/tests/Generated/SshLsTest.php.err.txt
+++ b/tests/Generated/SshLsTest.php.err.txt
@@ -1,11 +1 @@
 ssh: Could not resolve hostname server-1.example.com: Name or service not known
-
-In ssh.php line XXXX:
-
-  The command "ssh -p 2222 debian@server-1.example.com 'bash -se' << \EOF-SPATIE-SSH
-  cd /var/www && ls -alh
-  EOF-SPATIE-SSH" failed.
-
-
-ssh:ls
-
diff --git a/tests/Generated/SshLsTest.php.output.txt b/tests/Generated/SshLsTest.php.output.txt
index e69de29b..957affd8 100644
--- a/tests/Generated/SshLsTest.php.output.txt
+++ b/tests/Generated/SshLsTest.php.output.txt
@@ -0,0 +1,6 @@
+ [ERROR] The following process did not finish successfully: (exit code 255)
+
+ssh -p 2222 debian@server-1.example.com 'bash -se' << \EOF-SPATIE-SSH
+cd /var/www && ls -alh
+EOF-SPATIE-SSH
+
diff --git a/tests/Generated/SshRealTimeOutputTest.php b/tests/Generated/SshRealTimeOutputTest.php
index 939e8bd0..f33e2f0c 100644
--- a/tests/Generated/SshRealTimeOutputTest.php
+++ b/tests/Generated/SshRealTimeOutputTest.php
@@ -17,6 +17,6 @@ public function test(): void
         }
 
         $this->assertStringEqualsFile(__FILE__ . '.output.txt', $process->getOutput());
-        $this->assertStringEqualsFile(__FILE__ . '.err.txt', $process->getErrorOutput());
+        $this->assertSame('', $process->getErrorOutput());
     }
 }
diff --git a/tests/Generated/SshRealTimeOutputTest.php.err.txt b/tests/Generated/SshRealTimeOutputTest.php.err.txt
deleted file mode 100644
index da52b3fd..00000000
--- a/tests/Generated/SshRealTimeOutputTest.php.err.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-In ssh.php line XXXX:
-
-  The command "ssh  debian@server-1.example.com 'bash -se' << \EOF-SPATIE-SSH
-  ls -alh
-  EOF-SPATIE-SSH" failed.
-
-
-ssh:real-time-output
-
diff --git a/tests/Generated/SshRealTimeOutputTest.php.output.txt b/tests/Generated/SshRealTimeOutputTest.php.output.txt
index 624cbdcc..8fa847be 100644
--- a/tests/Generated/SshRealTimeOutputTest.php.output.txt
+++ b/tests/Generated/SshRealTimeOutputTest.php.output.txt
@@ -1,2 +1,8 @@
 REAL TIME OUTPUT> ssh: Could not resolve hostname server-1.example.com: Name or service not known
 
+ [ERROR] The following process did not finish successfully: (exit code 255)
+
+ssh  debian@server-1.example.com 'bash -se' << \EOF-SPATIE-SSH
+ls -alh
+EOF-SPATIE-SSH
+
diff --git a/tests/Generated/SshUploadTest.php.err.txt b/tests/Generated/SshUploadTest.php.err.txt
index 145f4ad6..ef21c34f 100644
--- a/tests/Generated/SshUploadTest.php.err.txt
+++ b/tests/Generated/SshUploadTest.php.err.txt
@@ -1,9 +1 @@
 ssh: Could not resolve hostname server-1.example.com: Name or service not known
-
-In ssh.php line XXXX:
-
-  The command "scp -r .../examples/ssh.php debian@server-1.example.com:/var/www/index.html" failed.
-
-
-ssh:upload
-
diff --git a/tests/Generated/SshUploadTest.php.output.txt b/tests/Generated/SshUploadTest.php.output.txt
index e69de29b..d0ad8273 100644
--- a/tests/Generated/SshUploadTest.php.output.txt
+++ b/tests/Generated/SshUploadTest.php.output.txt
@@ -0,0 +1,4 @@
+ [ERROR] The following process did not finish successfully: (exit code 1)
+
+scp -r .../examples/ssh.php debian@server-1.example.com:/var/www/index.html
+
diff --git a/tests/Generated/SshWhoamiTest.php.err.txt b/tests/Generated/SshWhoamiTest.php.err.txt
index 4c200ea0..ef21c34f 100644
--- a/tests/Generated/SshWhoamiTest.php.err.txt
+++ b/tests/Generated/SshWhoamiTest.php.err.txt
@@ -1,11 +1 @@
 ssh: Could not resolve hostname server-1.example.com: Name or service not known
-
-In ssh.php line XXXX:
-
-  The command "ssh -p 2222 server-1.example.com 'bash -se' << \EOF-SPATIE-SSH
-  cd /var/www && whoami
-  EOF-SPATIE-SSH" failed.
-
-
-ssh:whoami
-
diff --git a/tests/Generated/SshWhoamiTest.php.output.txt b/tests/Generated/SshWhoamiTest.php.output.txt
index e69de29b..e72edfc0 100644
--- a/tests/Generated/SshWhoamiTest.php.output.txt
+++ b/tests/Generated/SshWhoamiTest.php.output.txt
@@ -0,0 +1,6 @@
+ [ERROR] The following process did not finish successfully: (exit code 255)
+
+ssh -p 2222 server-1.example.com 'bash -se' << \EOF-SPATIE-SSH
+cd /var/www && whoami
+EOF-SPATIE-SSH
+
diff --git a/tests/Monolog/Processor/ProcessProcessorTest.php b/tests/Monolog/Processor/ProcessProcessorTest.php
index 58f662e6..26bce904 100644
--- a/tests/Monolog/Processor/ProcessProcessorTest.php
+++ b/tests/Monolog/Processor/ProcessProcessorTest.php
@@ -3,6 +3,7 @@
 namespace Castor\Tests\Monolog\Processor;
 
 use Castor\Monolog\Processor\ProcessProcessor;
+use Castor\Runner\ProcessRunner;
 use Monolog\Level;
 use Monolog\LogRecord;
 use PHPUnit\Framework\TestCase;
@@ -24,7 +25,12 @@ public function test(): void
             message: 'new process',
             context: ['process' => $process],
         );
-        $processor = new ProcessProcessor($process);
+        $mock = $this->getMockBuilder(ProcessRunner::class)
+            ->onlyMethods(['buildRunnableCommand'])
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $processor = new ProcessProcessor($mock);
 
         $this->assertEquals(
             [
@@ -34,9 +40,7 @@ public function test(): void
                     'argc' => 3,
                     'argv' => ['/home/foo/.local/bin//castor', 'builder', '-vvv'],
                 ],
-                'runnable' => <<<'TXT'
-                    foo='b'\''"`\ar' 'ls' '-alh'
-                    TXT,
+                'runnable' => '',
             ],
             $processor($log)->context['process'],
         );