diff -urp /tmp/share/widgets/share_widget/js/share_widget_link.js share/widgets/share_widget/js/share_widget_link.js
--- /tmp/share/widgets/share_widget/js/share_widget_link.js	2009-03-26 17:12:23.000000000 -0400
+++ share/widgets/share_widget/js/share_widget_link.js	2009-05-01 11:45:07.000000000 -0400
@@ -5,7 +5,8 @@ Drupal.SharePlugin.migrate = function() 
   var shares = Drupal.settings.share;
   for (var i in shares) {
     var share = shares[i];
-    var link = $("li.share_" + share.shareID + "_" + share.nid);
+    var link = $(".link-share_" + share.shareID + "_" + share.nid);
+    if (!link.length) continue;
 
     $(link).append(share.widget);