diff --git a/tests/test_cli.py b/tests/test_cli.py
index e51e04c..e591ed8 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -15,7 +15,8 @@ def run_cli(*args: str, **kwargs: Mapping) -> subprocess.CompletedProcess:
 
 @pytest.fixture(scope="session")
 def populator_help_pattern():
-    return re.compile(f"{{({',?|'.join([imp.replace('.', '\\.') for imp in implementations.__all__])},?)+}}")
+    name_options = ',?|'.join([imp.replace('.', '\\.') for imp in implementations.__all__])
+    return re.compile(f"{{({name_options},?)+}}")
 
 
 def test_help():