Index: /Users/Scott/Sites/wp/trunk/wp-admin/link-category.php
===================================================================
--- /Users/Scott/Sites/wp/trunk/wp-admin/link-category.php	(revision 8387)
+++ /Users/Scott/Sites/wp/trunk/wp-admin/link-category.php	(working copy)
@@ -73,7 +73,9 @@
 			$location = $referer;
 	}
 
-	if ( wp_update_term($cat_ID, 'link_category', $_POST) )
+	$update =  wp_update_term($cat_ID, 'link_category', $_POST);
+
+	if ( $update && !is_wp_error($update) )
 		$location = add_query_arg('message', 3, $location);
 	else
 		$location = add_query_arg('message', 5, $location);