Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 4819)
+++ /CKEditor/trunk/CHANGES.html	(revision 4820)
@@ -72,4 +72,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4896">#4896</a> : Fixed paste nested list from MS-Word with measurement units set to cm is broken.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4899">#4899</a> : Fixed unable to undo pre-formatted style.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/4900">#4900</a> : Fixed ratio-lock inconsistent between browsers.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/plugins/image/dialogs/image.js
===================================================================
--- /CKEditor/trunk/_source/plugins/image/dialogs/image.js	(revision 4819)
+++ /CKEditor/trunk/_source/plugins/image/dialogs/image.js	(revision 4820)
@@ -215,5 +215,5 @@
 
 			if ( this.firstLoad )
-				switchLockRatio( this, 'check' );
+				CKEDITOR.tools.setTimeout( function(){ switchLockRatio( this, 'check' ) }, 0, this );
 			this.firstLoad = false;
 			this.dontResetSize = false;