diff --git a/noVNC/index.html b/noVNC/index.html
index 2c2440d..a5a841a 100644
--- a/noVNC/index.html
+++ b/noVNC/index.html
@@ -4,7 +4,10 @@
         <meta charset="UTF-8">
         <meta http-equiv="refresh" content="1;url=vnc.html?autoconnect=1&host=127.0.0.1&port=6080">
         <script type="text/javascript">
-            window.location.href = "vnc.html?autoconnect=1&host=127.0.0.1&port=6080"
+            var port = window.location.port;
+            if (!port)
+                port = window.location.protocol[4] == 's' ? 443 : 80;
+            window.location.href = "vnc.html?autoconnect=1&host=127.0.0.1&port=" + port;
         </script>
         <title>Page Redirection</title>
     </head>