diff --git a/Lib/test/test_urllib2_localnet.py b/Lib/test/test_urllib2_localnet.py
index 872b2be7be..9e1ce5bb9e 100644
--- a/Lib/test/test_urllib2_localnet.py
+++ b/Lib/test/test_urllib2_localnet.py
@@ -66,6 +66,7 @@ class LoopbackHttpServerThread(threading.Thread):
         self._stop_server = True
 
         self.join()
+        self.httpd.server_close()
 
     def run(self):
         self.ready.set()