diff --git a/plugins/Network/plugin.py b/plugins/Network/plugin.py
index 2e23410f7..808d347e3 100644
--- a/plugins/Network/plugin.py
+++ b/plugins/Network/plugin.py
@@ -81,7 +81,7 @@ class Network(callbacks.Plugin):
                 ssl = False
         if server:
             if ':' in server:
-                (server, port) = server.split(':')
+                (server, port) = server.rsplit(':', 1)
                 port = int(port)
             elif ssl:
                 port = 6697