Index: branches/5.3.x/core/ckeditor/plugins/my_link/plugin.js
===================================================================
diff -u -N -r15902 -r15946
--- branches/5.3.x/core/ckeditor/plugins/my_link/plugin.js	(.../plugin.js)	(revision 15902)
+++ branches/5.3.x/core/ckeditor/plugins/my_link/plugin.js	(.../plugin.js)	(revision 15946)
@@ -388,7 +388,7 @@
 															if ( $link_url && $link_url.match(cms_page + '$') ) {
 																$me.setValue(cms_page);
 
-																load_page_anchors( cms_page, this.getDialog() );
+																load_page_anchors( cms_page, $me.getDialog() );
 															}
 														}
 													);