Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 5569)
+++ /CKEditor/trunk/CHANGES.html	(revision 5570)
@@ -54,4 +54,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/5782">#5782</a> : [FF] Wysiwyg mode is broken by 'display' style changes on editor's parent DOM tree.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/5801">#5801</a> : [IE] contentEditable="false" doesn't apply in effect on inline-elements.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/4951">#4951</a> : Empty find matching twice results in JavaScript error.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/plugins/find/dialogs/find.js
===================================================================
--- /CKEditor/trunk/_source/plugins/find/dialogs/find.js	(revision 5569)
+++ /CKEditor/trunk/_source/plugins/find/dialogs/find.js	(revision 5570)
@@ -325,5 +325,5 @@
 						cursors = this._.cursors;
 
-				if ( ( lastCursor = cursors[ cursors.length - 1 ] ) )
+				if ( ( lastCursor = cursors[ cursors.length - 1 ] ) && lastCursor.textNode )
 					nextRangeWalker = new characterWalker( getRangeAfterCursor( lastCursor ) );
 				// In case it's an empty range (no cursors), figure out next range from walker (#4951).