Index: branches/5.1.x/core/units/categories/categories_config.php
===================================================================
diff -u -N -r13159 -r13167
--- branches/5.1.x/core/units/categories/categories_config.php	(.../categories_config.php)	(revision 13159)
+++ branches/5.1.x/core/units/categories/categories_config.php	(.../categories_config.php)	(revision 13167)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: categories_config.php 13159 2010-02-24 10:45:00Z alex $
+* @version	$Id: categories_config.php 13167 2010-02-24 15:24:59Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -358,7 +358,7 @@
 				'formatter' => 'kOptionsFormatter', 'options' => Array ('' => ''),
 				'options_sql' => 'SELECT Title, FormId FROM '.TABLE_PREFIX.'Forms ORDER BY Title',
 				'option_key_field' => 'FormId', 'option_title_field' => 'Title',
-				'default' => 0
+				'default' => NULL
 			),
 			'FormSubmittedTemplate'	=>	Array ('type' => 'string', 'default' => null),
 			'FriendlyURL'		=>	Array ('type' => 'string', 'not_null' => 1, 'default' => ''),