Index: application.php
===================================================================
--- application.php	(revision 12940)
+++ application.php	(working copy)
@@ -863,7 +863,7 @@
 			$perm_helper =& $this->recallObject('PermissionsHelper');
 			/* @var $perm_helper kPermissionsHelper */
 
-			if ($perm_helper->CheckUserPermission($user, 'CATEGORY.MODIFY', 0, 0)) {
+			if ($perm_helper->CheckUserPermission($user, 'CATEGORY.MODIFY', 0, $this->ModuleInfo['Core']['RootCat'])) {
 				// user can edit cms blocks
 				$editing_mode = $this->GetVar('editing_mode');
 				define('EDITING_MODE', $editing_mode ? $editing_mode : EDITING_MODE_BROWSE);