diff --git a/src/core/5.inject.js b/src/core/5.inject.js
index 0554740f7..5e2cb0a72 100644
--- a/src/core/5.inject.js
+++ b/src/core/5.inject.js
@@ -449,7 +449,7 @@
         } else if (item.el && (item.el.type || options.type)) {
             el = BI.extend({}, options, item.el);
         }
-        
+
         if (el) {
             var elType = (el.type && el.type.xtype) || el.type;
             runConfigFunction(elType);
@@ -471,12 +471,18 @@
             var wType = (w.type && w.type.xtype) || w.type;
             if (wType === elType) {
                 if (BI.Plugin.hasObject(elType)) {
-                    w.listeners = (w.listeners || []).concat([{
-                        eventName: BI.Events.MOUNT,
-                        action: function () {
+                    if (!w.listeners || BI.isArray(w.listeners)) {
+                        w.listeners = (w.listeners || []).concat([{
+                            eventName: BI.Events.MOUNT,
+                            action: function () {
+                                BI.Plugin.getObject(elType, this);
+                            }
+                        }]);
+                    } else {
+                        w.listeners[BI.Events.MOUNT] = function () {
                             BI.Plugin.getObject(elType, this);
                         }
-                    }]);
+                    }
                 }
                 return createWidget(w, context, lazy);
             }