Index: branches/5.3.x/core/units/groups/group_tp.php
===================================================================
diff -u -N -r15483 -r15698
--- branches/5.3.x/core/units/groups/group_tp.php	(.../group_tp.php)	(revision 15483)
+++ branches/5.3.x/core/units/groups/group_tp.php	(.../group_tp.php)	(revision 15698)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: group_tp.php 14244 2011-03-16 20:53:41Z alex $
+* @version	$Id: group_tp.php 15698 2013-02-19 11:33:17Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -23,14 +23,15 @@
 		 */
 		function ModifyUnitConfig($params)
 		{
-			$edit_tab_presets = $this->Application->getUnitOption($this->Prefix, 'EditTabPresets');
-
 			$event = new kEvent($this->getPrefixSpecial() . ':OnItemBuild');
 			$permission = $event->getSection() . '.advanced:manage_permissions';
-			if (!$this->Application->CheckPermission($permission)) {
-				unset($edit_tab_presets['Default']['permissions']);
-			}
 
-			$this->Application->setUnitOption($this->Prefix, 'EditTabPresets', $edit_tab_presets);
+			if ( !$this->Application->CheckPermission($permission) ) {
+				$config = $this->getUnitConfig();
+
+				$edit_tab_preset = $config->getEditTabPresetByName('Default');
+				unset($edit_tab_preset['permissions']);
+				$config->addEditTabPresets($edit_tab_preset, 'Default');
+			}
 		}
 	}
\ No newline at end of file