diff --git a/lib/server/socket.js b/lib/server/socket.js
index f1ac473f..04dd4412 100644
--- a/lib/server/socket.js
+++ b/lib/server/socket.js
@@ -61,6 +61,14 @@
                 lListen.enable('browser client etag');
             }
             
+            lListen.set('transports', [
+              'websocket',
+              'flashsocket',
+              'htmlfile',
+              'xhr-polling',
+              'jsonp-polling'
+            ]);
+            
             lRet = lListen.sockets.on('connection', function (socket){
                 ++lConnNum;