diff -ur support_orig/support.module support/support.module
--- support_orig/support.module	2011-10-07 18:23:07.000000000 +0200
+++ support/support.module	2011-11-12 11:48:10.000000000 +0100
@@ -2399,7 +2399,7 @@
         */
         $clients = support_search_available_clients();
         if (!empty($clients)) {
-          if (user_access('view other users tickets') || user_access('administer support') || user_access('edit any ticket') || user_access('delete any ticket')) {
+          if ($table == 'comment' || user_access('view other users tickets') || user_access('administer support') || user_access('edit any ticket') || user_access('delete any ticket')) {
             $ticket_alias = $query->leftJoin('support_ticket', 'st', 'st.nid = ' . $nalias . '.nid');
             $query->condition(db_or()
               // Must be on the allowed clients list