Index: units/admin/admin_tag_processor.php
===================================================================
--- units/admin/admin_tag_processor.php	(revision 14330)
+++ units/admin/admin_tag_processor.php	(working copy)
@@ -585,6 +585,8 @@
 					/* @var $updater kPermCacheUpdater */
 
 					$updater->OneStepRun();
+
+					$this->Application->HandleEvent($event, 'c:OnResetCMSMenuCache');
 				}
 				else {
 					// update with progress bar
Index: units/categories/categories_tag_processor.php
===================================================================
--- units/categories/categories_tag_processor.php	(revision 14318)
+++ units/categories/categories_tag_processor.php	(working copy)
@@ -511,6 +511,9 @@
 			else {
 				// all done, update left tree and redirect
 				$updater->SaveData();
+
+				$this->Application->HandleEvent($event, 'c:OnResetCMSMenuCache');
+
 				$this->Application->RemoveVar('PermCache_UpdateRequired');
 				$this->Application->StoreVar('RefreshStructureTree', 1);
 				$this->Application->Redirect($params['destination_template']);