Index: /CKEditor/trunk/_source/plugins/image/dialogs/image.js
===================================================================
--- /CKEditor/trunk/_source/plugins/image/dialogs/image.js	(revision 6222)
+++ /CKEditor/trunk/_source/plugins/image/dialogs/image.js	(revision 6223)
@@ -1149,5 +1149,6 @@
 							setup : function( type, element )
 							{
-								this.setValue( element.getAttribute( 'target' ) || '' );
+								if ( type == LINK )
+									this.setValue( element.getAttribute( 'target' ) || '' );
 							},
 							commit : function( type, element )