--- includes/acp/acp_permissions.php.orig	2008-06-05 16:43:18.000000000 +0100
+++ includes/acp/acp_permissions.php	2008-06-05 16:40:53.000000000 +0100
@@ -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.user_id, u.username, u.username_clean, u.user_regdate
 			FROM ' . USERS_TABLE . ' u, ' . ACL_USERS_TABLE . " a
 			WHERE u.user_id = a.user_id
 				$sql_forum_id