diff --git a/examples/.clang-tidy b/examples/.clang-tidy
index fe6fafe..ef3c154 100644
--- a/examples/.clang-tidy
+++ b/examples/.clang-tidy
@@ -2,4 +2,5 @@ InheritParentConfig: true
 # exceptions for testing
 Checks: >
         -readability-magic-numbers,
-        -cppcoreguidelines-pro-bounds-pointer-arithmetic
+        -cppcoreguidelines-pro-bounds-pointer-arithmetic,
+        -cppcoreguidelines-avoid-non-const-global-variables
diff --git a/examples/configurable_plugin/configurable_plugin.h b/examples/configurable_plugin/configurable_plugin.h
index da888fa..ecfe589 100644
--- a/examples/configurable_plugin/configurable_plugin.h
+++ b/examples/configurable_plugin/configurable_plugin.h
@@ -1,5 +1,5 @@
-#ifndef PPPLUGIN__EXAMPLES__SIMPLE_PLUGIN_H
-#define PPPLUGIN__EXAMPLES__SIMPLE_PLUGIN_H
+#ifndef PPPLUGIN_EXAMPLES_CONFIGURABLE_PLUGIN_H
+#define PPPLUGIN_EXAMPLES_CONFIGURABLE_PLUGIN_H
 
 #include <iostream>
 #include <memory>
@@ -28,7 +28,7 @@ class ConfigurablePluginInterface {
     template <typename T>
     void print(T&& arg)
     {
-        std::cout << arg << std::flush;
+        std::cout << std::forward<T>(arg) << std::flush;
     }
     static void sleep(std::chrono::milliseconds duration)
     {
@@ -53,4 +53,4 @@ class ConfigurablePluginA : public ConfigurablePluginInterface {
     void loop(const std::atomic<bool>& stop) override;
 };
 
-#endif // PPPLUGIN__EXAMPLES__SIMPLE_PLUGIN_H
+#endif // PPPLUGIN_EXAMPLES_CONFIGURABLE_PLUGIN_H
diff --git a/examples/configurable_plugin/configurable_plugin_manager.cpp b/examples/configurable_plugin/configurable_plugin_manager.cpp
index d05c23c..33f858f 100644
--- a/examples/configurable_plugin/configurable_plugin_manager.cpp
+++ b/examples/configurable_plugin/configurable_plugin_manager.cpp
@@ -36,7 +36,7 @@ int main(int argc, char* argv[])
         std::cerr << "A fatal error occurred: '" << exception.what() << "'\n";
         return 1;
     } catch (...) {
-        std::cerr << "An unknown fatal error occurred!";
+        std::cerr << "An unknown fatal error occurred!\n";
         return 1;
     }
     return 0;
diff --git a/examples/simple_plugin/simple_plugin.h b/examples/simple_plugin/simple_plugin.h
index 665d6a7..8a4b66c 100644
--- a/examples/simple_plugin/simple_plugin.h
+++ b/examples/simple_plugin/simple_plugin.h
@@ -1,5 +1,5 @@
-#ifndef PPPLUGIN__EXAMPLES__SIMPLE_PLUGIN_H
-#define PPPLUGIN__EXAMPLES__SIMPLE_PLUGIN_H
+#ifndef PPPLUGIN_EXAMPLES_SIMPLE_PLUGIN_H
+#define PPPLUGIN_EXAMPLES_SIMPLE_PLUGIN_H
 
 #include <iostream>
 #include <memory>
@@ -21,7 +21,7 @@ class SimplePluginInterface {
     template <typename T>
     void print(T&& arg)
     {
-        std::cout << arg << std::flush;
+        std::cout << std::forward<T>(arg) << std::flush;
     }
     static void sleep(std::chrono::milliseconds duration)
     {
@@ -44,4 +44,4 @@ class SimplePluginA : public SimplePluginInterface {
     int i_ { 0 };
 };
 
-#endif // PPPLUGIN__EXAMPLES__SIMPLE_PLUGIN_H
+#endif // PPPLUGIN_EXAMPLES_SIMPLE_PLUGIN_H
diff --git a/examples/simple_plugin/simple_plugin_manager.cpp b/examples/simple_plugin/simple_plugin_manager.cpp
index 41365dc..41b044f 100644
--- a/examples/simple_plugin/simple_plugin_manager.cpp
+++ b/examples/simple_plugin/simple_plugin_manager.cpp
@@ -11,7 +11,7 @@ void printError(std::string_view function_name, const ppplugin::CallError& error
         : error == ppplugin::CallError::Code::unknown                                  ? "unknown error"
                                                                                        : "other error";
     std::cerr << "Unable to call '" << function_name << "' ('" << error_string
-              << "')!" << std::endl;
+              << "')!\n";
 }
 
 void printError(std::string_view plugin_name, ppplugin::LoadError error)
@@ -22,7 +22,7 @@ void printError(std::string_view plugin_name, ppplugin::LoadError error)
         : error == LoadError::unknown                                ? "unknown error"
                                                                      : "other error";
     std::cerr << "Unable to load '" << plugin_name << "' ('" << error_string
-              << "')!" << std::endl;
+              << "')!\n";
 }
 
 template <typename ClassType>
@@ -66,7 +66,7 @@ int main(int argc, char* argv[])
         std::cerr << "A fatal error occurred: '" << exception.what() << "'\n";
         return 1;
     } catch (...) {
-        std::cerr << "An unknown fatal error occurred!";
+        std::cerr << "An unknown fatal error occurred!\n";
         return 1;
     }
     return 0;