diff --git a/gajim/common/zeroconf/client_zeroconf.py b/gajim/common/zeroconf/client_zeroconf.py
index 29f6b893b..d2a454682 100644
--- a/gajim/common/zeroconf/client_zeroconf.py
+++ b/gajim/common/zeroconf/client_zeroconf.py
@@ -26,7 +26,6 @@ from gajim.common.zeroconf import zeroconf
 
 from nbxmpp.protocol import *
 import socket
-import platform
 import ssl
 import errno
 import sys
@@ -73,7 +72,7 @@ class ZeroconfListener(IdleObject):
         self._serv.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
         self._serv.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
         if os.name == 'nt':
-            if int(platform.win32_ver()[0]) >= 6:  # Win Vista +
+            if sys.getwindowsversion().major >= 6:  # Win Vista +
                 # 47 is socket.IPPROTO_IPV6
                 # 27 is socket.IPV6_V6ONLY under windows, but not defined ...
                 self._serv.setsockopt(41, 27, 0)