diff --git a/Lib/test/test_asyncio/test_events.py b/Lib/test/test_asyncio/test_events.py
index 36bb93a..3720cc7 100644
--- a/Lib/test/test_asyncio/test_events.py
+++ b/Lib/test/test_asyncio/test_events.py
@@ -509,7 +509,7 @@
         self.loop.run_forever()
         self.assertEqual(caught, 1)
 
-    def _basetest_create_connection(self, connection_fut, check_sockname):
+    def _basetest_create_connection(self, connection_fut, check_sockname=True):
         tr, pr = self.loop.run_until_complete(connection_fut)
         self.assertIsInstance(tr, asyncio.Transport)
         self.assertIsInstance(pr, asyncio.Protocol)