diff --git a/Message/Response/ResponseManager.js b/Message/Response/ResponseManager.js
index 8e8845d..51c2ff8 100644
--- a/Message/Response/ResponseManager.js
+++ b/Message/Response/ResponseManager.js
@@ -67,7 +67,7 @@
      */
     jsOMS.Message.Response.ResponseManager.prototype.run = function (key, data, request)
     {
-        if (typeof request !== 'undefined' && typeof this.messages[key][request] !== 'undefined') {
+        if (typeof request !== 'undefined' && typeof this.messages[key] !== 'undefined' && typeof this.messages[key][request] !== 'undefined') {
             this.messages[key][request](data);
         } else if (typeof this.messages[key] !== 'undefined') {
             this.messages[key].any(data);