diff --git a/packages/patrol_cli/CHANGELOG.md b/packages/patrol_cli/CHANGELOG.md
index b96c200e3..d79ead66e 100644
--- a/packages/patrol_cli/CHANGELOG.md
+++ b/packages/patrol_cli/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Unreleased
+
+- Fix bug with `test_bundle.dart` being sometimes garbled on Windows (#1797)
+
 ## 2.2.0
 
 - Add support for `group()` (#1634)
diff --git a/packages/patrol_cli/lib/src/test_bundler.dart b/packages/patrol_cli/lib/src/test_bundler.dart
index 4b2c489d9..472eb66b9 100644
--- a/packages/patrol_cli/lib/src/test_bundler.dart
+++ b/packages/patrol_cli/lib/src/test_bundler.dart
@@ -177,7 +177,10 @@ ${generateGroupsCode([testFilePath]).split('\n').map((e) => '  $e').join('\n')}
     for (final testFilePath in testFilePaths) {
       final relativeTestFilePath = _normalizeTestPath(testFilePath);
       final testName = _createTestName(relativeTestFilePath);
-      imports.add("import '$relativeTestFilePath' as $testName;");
+      final relativeTestFilePathWithoutSlash = relativeTestFilePath[0] == '/'
+          ? relativeTestFilePath.replaceFirst('/', '')
+          : relativeTestFilePath;
+      imports.add("import '$relativeTestFilePathWithoutSlash' as $testName;");
     }
 
     return imports.join('\n');