diff --git a/src/case/button/icon/icon.change.js b/src/case/button/icon/icon.change.js
index 8790008e2..e65160879 100644
--- a/src/case/button/icon/icon.change.js
+++ b/src/case/button/icon/icon.change.js
@@ -31,8 +31,11 @@ BI.IconChangeButton = BI.inherit(BI.Single, {
     },
 
     _init: function () {
-        BI.IconChangeButton.superclass._init.apply(this, arguments);
         var self = this, o = this.options;
+        o.iconCls = BI.isFunction(o.iconCls) ? this.__watch(o.iconCls, function (context, newValue) {
+            self.setIcon(newValue);
+        }) : o.iconCls;
+        BI.IconChangeButton.superclass._init.apply(this, arguments);
         this.button = BI.createWidget({
             type: "bi.icon_button",
             element: this,
@@ -80,4 +83,4 @@ BI.IconChangeButton = BI.inherit(BI.Single, {
     }
 });
 BI.IconChangeButton.EVENT_CHANGE = "EVENT_CHANGE";
-BI.shortcut("bi.icon_change_button", BI.IconChangeButton);
\ No newline at end of file
+BI.shortcut("bi.icon_change_button", BI.IconChangeButton);