Index: branches/unlabeled/unlabeled-1.28.2/core/units/categories/categories_tag_processor.php
===================================================================
diff -u -N -r5615 -r5631
--- branches/unlabeled/unlabeled-1.28.2/core/units/categories/categories_tag_processor.php	(.../categories_tag_processor.php)	(revision 5615)
+++ branches/unlabeled/unlabeled-1.28.2/core/units/categories/categories_tag_processor.php	(.../categories_tag_processor.php)	(revision 5631)
@@ -370,7 +370,7 @@
 			else {
 				// all done -> redirect
 				$updater->clearData();
-				$this->Application->StoreVar('PermCache_UpdateRequired', 0);
+				$this->Application->RemoveVar('PermCache_UpdateRequired');
 				$this->Application->Redirect($params['destination_template']);
 			}