diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index e64d1b22fa5..97552e8fdd6 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -562,6 +562,7 @@ else:
                                          + str(connaddr) + '\n')
                     handler = self.ConnectionHandler(self, newconn)
                     handler.start()
+                    handler.join()
                 except socket.timeout:
                     pass
                 except KeyboardInterrupt: