diff --git a/tests/test_renderer.py b/tests/test_renderer.py
index a858c65d8..0fd044a5c 100644
--- a/tests/test_renderer.py
+++ b/tests/test_renderer.py
@@ -35,7 +35,7 @@ def app(test_params, app_params, make_app, shared_result):
     """
     args, kwargs = app_params
     assert "srcdir" in kwargs
-    kwargs["srcdir"].makedirs(exist_ok=True)
+    os.makedirs(kwargs["srcdir"], exist_ok=True)
     (kwargs["srcdir"] / "conf.py").write_text("")
     app_ = make_app(*args, **kwargs)
     yield app_