X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/530ef4b6c5b943cfa68b779d11cf7de29aa878bf..b37ceabb82336ee82757cd32efe353cfab8ec267:/src/widgets/MessageBox.js

diff --git a/src/widgets/MessageBox.js b/src/widgets/MessageBox.js
index 43533b9c..97fc8260 100644
--- a/src/widgets/MessageBox.js
+++ b/src/widgets/MessageBox.js
@@ -1,5 +1,5 @@
 /*!
- * Ext JS Library 3.2.1
+ * Ext JS Library 3.2.2
  * Copyright(c) 2006-2010 Ext JS, Inc.
  * licensing@extjs.com
  * http://www.extjs.com/license
@@ -364,7 +364,7 @@ Ext.Msg.show({
                     d.focusEl = db;
                 }
             }
-            if(opt.iconCls){
+            if(Ext.isDefined(opt.iconCls)){
               d.setIconClass(opt.iconCls);
             }
             this.setIcon(Ext.isDefined(opt.icon) ? opt.icon : bufferIcon);