Index: branches/5.2.x/core/units/categories/categories_tag_processor.php
===================================================================
diff -u -N -r15341 -r15360
--- branches/5.2.x/core/units/categories/categories_tag_processor.php	(.../categories_tag_processor.php)	(revision 15341)
+++ branches/5.2.x/core/units/categories/categories_tag_processor.php	(.../categories_tag_processor.php)	(revision 15360)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: categories_tag_processor.php 15341 2012-05-17 08:58:26Z alex $
+* @version	$Id: categories_tag_processor.php 15360 2012-05-29 08:52:10Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2011 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -1813,12 +1813,14 @@
 			'editing_mode' => $settings['default_editing_mode'],
 			'pass' => 'm',
 			'admin' => 1,
-			'index_file' => 'index.php'
 		);
 
 		if ($this->Application->ConfigValue('UseModRewrite')) {
 			$url_params['__MOD_REWRITE__'] = 1;
 		}
+		else {
+			$url_params['index_file'] = 'index.php';
+		}
 
 		return $this->Application->HREF($object->GetDBField('NamedParentPath'), '_FRONT_END_', $url_params);
 	}