--- includes/acp/acp_permissions.php.orig       2008-05-28 17:48:10.000000000 +0200
+++ includes/acp/acp_permissions.php    2008-05-28 17:50:40.000000000 +0200
@@ -1156,7 +1156,7 @@
                }
 
                // Not ideal, due to the filesort, non-use of indexes, etc.
-               $sql = 'SELECT DISTINCT u.user_id, u.username
+               $sql = 'SELECT DISTINCT u.username_clean, u.user_regdate, u.user_id, u.username
                        FROM ' . USERS_TABLE . ' u, ' . ACL_USERS_TABLE . " a
                        WHERE u.user_id = a.user_id
                                $sql_forum_id