Index: branches/5.1.x/core/units/categories/categories_event_handler.php
===================================================================
diff -u -N -r13545 -r13581
--- branches/5.1.x/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 13545)
+++ branches/5.1.x/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 13581)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: categories_event_handler.php 13545 2010-05-11 19:19:58Z alex $
+* @version	$Id: categories_event_handler.php 13581 2010-05-19 07:33:23Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -309,7 +309,7 @@
 			}
 
 			$object->addFilter('perm_filter', 'PermId = 1'); // check for CATEGORY.VIEW permission
-			if ($this->Application->RecallVar('user_id') != -1) {
+			if ($this->Application->RecallVar('user_id') != USER_ROOT) {
 				// apply permission filters to all users except "root"
 				$groups = explode(',',$this->Application->RecallVar('UserGroups'));
 				foreach ($groups as $group) {