PHPBB 2.0.15 : Bug fixes brings Bug

From PHPbb Official site , AcydBurn (one of the phpbb Developer) tells that one of bug fixes in phpbb 2.0.15 brings another bug which may lead to losing your administrator privileges , the details could reach in !here

fix :
OPEN admin/admin_ug_auth.php

FIND (around line 546)
Code:
WHERE user_id IN (" . implode(', ', $group_user) . ")";

REPLACE WITH
Code:
WHERE user_id IN (" . implode(', ', $group_user) . ") AND user_level = " . MOD;

Go patch your forum!