diff --git a/testing/test_cacheprovider.py b/testing/test_cacheprovider.py
index 1048994d3..6d425f95b 100644
--- a/testing/test_cacheprovider.py
+++ b/testing/test_cacheprovider.py
@@ -40,7 +40,9 @@ class TestNewAPI(object):
         cache.set("test/broken", [])
 
     @pytest.mark.skipif(sys.platform.startswith("win"), reason="no chmod on windows")
-    @pytest.mark.filterwarnings("ignore:could not create cache path:PytestWarning")
+    @pytest.mark.filterwarnings(
+        "ignore:could not create cache path:pytest.PytestWarning"
+    )
     def test_cache_writefail_permissions(self, testdir):
         testdir.makeini("[pytest]")
         testdir.tmpdir.ensure_dir(".pytest_cache").chmod(0)