diff --git a/lib/request/connect.py b/lib/request/connect.py
index db756831c..78a79141b 100644
--- a/lib/request/connect.py
+++ b/lib/request/connect.py
@@ -514,7 +514,7 @@ class Connect(object):
                 if conf.proxy:
                     ws_proxy_uri = _urllib.parse.urlsplit(conf.proxy)
                     ws_proxy_port = ws_proxy_uri.port
-                    ws_proxy_host = ws_proxy_uri.netloc.split(":")[0]
+                    ws_proxy_host = ws_proxy_uri.hostname
                     ws_proxy_scheme = ws_proxy_uri.scheme
 
                 if conf.proxyCred: