Index: branches/unlabeled/unlabeled-1.22.2/core/units/categories/categories_event_handler.php
===================================================================
diff -u -r6026 -r6078
--- branches/unlabeled/unlabeled-1.22.2/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 6026)
+++ branches/unlabeled/unlabeled-1.22.2/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 6078)
@@ -114,7 +114,7 @@
 		}
 
 		$object->addFilter('perm_filter', 'PermId = 1'); // check for CATEGORY.VIEW permission
-		if ($this->Application->GetVar('u_id') > 0) {
+		if ($this->Application->GetVar('u_id') != -1) {
 			// apply permission filters to all users except "root"
 			$groups = explode(',',$this->Application->RecallVar('UserGroups'));
 			foreach ($groups as $group) {