From 1ff03fcf2870852522bde02c9d2335c6e8ae1d49 Mon Sep 17 00:00:00 2001
From: Can Yucel <can@koding.com>
Date: Wed, 11 Feb 2015 13:00:29 -0800
Subject: [PATCH] add defensive response check in subscription fail callback

---
 core/pubnub-common.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/pubnub-common.js b/core/pubnub-common.js
index 3da57696b..42f8a230c 100644
--- a/core/pubnub-common.js
+++ b/core/pubnub-common.js
@@ -1299,7 +1299,7 @@ function PN_API(setup) {
                     timeout  : sub_timeout,
                     callback : jsonp,
                     fail     : function(response) {
-                        if (response['error'] && response['service']) {
+                        if (response && response['error'] && response['service']) {
                             _invoke_error(response, errcb);
                             _test_connection(1);
                         } else {