diff --git a/tests/code_quality/file_content/test_permissions.py b/tests/code_quality/file_content/test_permissions.py
index 8148b909ced..7b86151d93d 100644
--- a/tests/code_quality/file_content/test_permissions.py
+++ b/tests/code_quality/file_content/test_permissions.py
@@ -36,7 +36,7 @@ def is_not_executable(path: Path) -> bool:
         "agents/plugins/*",
         is_executable,
         ["BUILD", "README", "Makefile", "__init__.py"],
-        ["*.checksum", "*.pyc"],
+        ["*.checksum", "*.pyc", "*_2.py"],
     ),
     ("checks/*", is_not_executable, [], []),
     ("cmk/plugins/*/manpages/*", is_not_executable, [], []),