Index: branches/5.1.x/core/units/categories/categories_tag_processor.php
===================================================================
diff -u -N -r14372 -r14393
--- branches/5.1.x/core/units/categories/categories_tag_processor.php	(.../categories_tag_processor.php)	(revision 14372)
+++ branches/5.1.x/core/units/categories/categories_tag_processor.php	(.../categories_tag_processor.php)	(revision 14393)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: categories_tag_processor.php 14372 2011-06-20 13:42:49Z alex $
+* @version	$Id: categories_tag_processor.php 14393 2011-06-27 08:02:26Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -459,16 +459,16 @@
 
 	function GetParentCategory($params)
 	{
-		$parent_id = 0;
-		$id_field = $this->Application->getUnitOption($this->Prefix, 'IDField');
-		$table = $this->Application->getUnitOption($this->Prefix,'TableName');
-		$cat_id = $this->Application->GetVar('m_cat_id');
-		if ($cat_id > 0) {
+		$parent_id = $this->Application->getBaseCategory();
+		$category_id = $this->Application->GetVar('m_cat_id');
+
+		if ($category_id != $parent_id) {
 			$sql = 'SELECT ParentId
-					FROM '.$table.'
-					WHERE '.$id_field.' = '.$cat_id;
+					FROM ' . $this->Application->getUnitOption($this->Prefix, 'TableName') . '
+					WHERE ' . $this->Application->getUnitOption($this->Prefix, 'IDField') . ' = ' . $category_id;
 			$parent_id = $this->Conn->GetOne($sql);
 		}
+
 		return $parent_id;
 	}