diff --git a/src/common/zeroconf/client_zeroconf.py b/src/common/zeroconf/client_zeroconf.py
index 94bd53ac3..9f6005b6f 100644
--- a/src/common/zeroconf/client_zeroconf.py
+++ b/src/common/zeroconf/client_zeroconf.py
@@ -22,6 +22,7 @@ from dialogs import BindPortError
 from  common.xmpp.protocol import *
 import socket
 import errno
+import sys
 
 from common.zeroconf import roster_zeroconf