Index: branches/5.2.x/units/manufacturers/manufacturers_event_handler.php
===================================================================
diff -u -N -r15009 -r15017
--- branches/5.2.x/units/manufacturers/manufacturers_event_handler.php	(.../manufacturers_event_handler.php)	(revision 15009)
+++ branches/5.2.x/units/manufacturers/manufacturers_event_handler.php	(.../manufacturers_event_handler.php)	(revision 15017)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: manufacturers_event_handler.php 15009 2012-01-06 20:37:54Z alex $
+* @version	$Id: manufacturers_event_handler.php 15017 2012-01-09 10:28:13Z alex $
 * @package	In-Commerce
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license	Commercial License
@@ -52,7 +52,7 @@
 		$category_id = $this->Application->GetVar('m_cat_id');
 		$parent_category_id = $event->getEventParam('parent_cat_id');
 
-		if ( $parent_category_id ) {
+		if ( (string)$parent_category_id !== '' ) {
 			if ( $parent_category_id != 'any' && $parent_category_id > 0 ) {
 				$category_id = $parent_category_id;
 			}