From 6bf2e1af6a8a199cc1fc25fef8d7ba4962617c5d Mon Sep 17 00:00:00 2001
From: Igor Zhukov <igor.beatle@gmail.com>
Date: Thu, 22 Oct 2015 17:56:52 +0200
Subject: [PATCH] hotfix for empty dialogs

---
 app/js/messages_manager.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/js/messages_manager.js b/app/js/messages_manager.js
index 4433a1cd..5d1c2954 100644
--- a/app/js/messages_manager.js
+++ b/app/js/messages_manager.js
@@ -1691,7 +1691,7 @@ angular.module('myApp.services')
   }
 
   function wrapForDialog (msgID, dialog) {
-    var useCache = dialog !== undefined;
+    var useCache = msgID && dialog !== undefined;
     var unreadCount = dialog && dialog.unread_count;
 
     if (useCache && messagesForDialogs[msgID] !== undefined) {