diff --git a/src/gevent/tests/test__threadpool.py b/src/gevent/tests/test__threadpool.py
index 1aac22db7..c1cf86fb7 100644
--- a/src/gevent/tests/test__threadpool.py
+++ b/src/gevent/tests/test__threadpool.py
@@ -738,6 +738,7 @@ def tearDown(self):
         import threading
         threading.setprofile(self.old_profile)
         threading.settrace(self.old_trace)
+        super(TestWorkerProfileAndTrace, self).tearDown()
 
     def test_get_profile(self):
         import threading