diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index 2b20a79..bef1872 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -733,6 +733,7 @@
                 self.assertRaises(socket.timeout, c.sendall,
                                   b"x" * test_support.SOCK_MAX_SIZE)
         finally:
+            signal.alarm(0)
             signal.signal(signal.SIGALRM, old_alarm)
             c.close()
             s.close()