diff --git a/monkey/tests/unit_tests/common/configuration/test_agent_configuration.py b/monkey/tests/unit_tests/common/configuration/test_agent_configuration.py
index 7941b9c17..f32337e71 100644
--- a/monkey/tests/unit_tests/common/configuration/test_agent_configuration.py
+++ b/monkey/tests/unit_tests/common/configuration/test_agent_configuration.py
@@ -83,7 +83,7 @@ def test_custom_pba_configuration_schema__empty_filenames_allowed():
     assert config.windows_filename == ""
 
 
-@pytest.mark.parametrize("linux_filename", ["\\", "\\\\\\"])
+@pytest.mark.parametrize("linux_filename", ["\\", "\\\\\\", "\0"])
 def test_custom_pba_configuration_schema__invalid_linux_filename(linux_filename):
     schema = CustomPBAConfigurationSchema()