diff --git a/pyproject.toml b/pyproject.toml
index e9cc623..d6f9e14 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,4 +19,4 @@ line-length = 120
 target-version = "py311"
 
 [tool.pytest.ini_options]
-python_files = test_*.py setup*.py
\ No newline at end of file
+python_files = "test_*.py setup*.py"
\ No newline at end of file