--- js/facebook_share.js	2011-06-09 11:03:47.000000000 +0200
+++ js/facebook_share.js	2011-06-09 10:46:27.213615000 +0200
@@ -1,7 +1,7 @@
 (function ($) {
   $(document).ready(function(){
     $('a.service-links-facebook-widget').each(function(){
-      $(this).attr('expr:share_url', $(this).attr('rel'));
+      $(this).attr('share_url', $(this).attr('rel'));
       $(this).attr('type', Drupal.settings.ws_fs.type);
       $(this).attr('name', 'fb_share');
     });