diff --git a/lib/transports/polling.js b/lib/transports/polling.js
index 970313ebd..786398bed 100644
--- a/lib/transports/polling.js
+++ b/lib/transports/polling.js
@@ -130,7 +130,7 @@ Polling.prototype.onData = function (data) {
   debug('polling got data %s', data);
   var callback = function (packet, index, total) {
     // if its the first message we consider the transport open
-    if ('opening' === self.readyState) {
+    if ('opening' === self.readyState && packet.type === 'open') {
       self.onOpen();
     }