diff --git a/admin_toolbar_tools/src/SearchLinks.php b/admin_toolbar_tools/src/SearchLinks.php
index 460614c..0801486 100644
--- a/admin_toolbar_tools/src/SearchLinks.php
+++ b/admin_toolbar_tools/src/SearchLinks.php
@@ -192,7 +192,7 @@ class SearchLinks {
         ->getStorage('menu')
         ->loadMultiple($menu_ids);
 
-      Cache::mergeTags($cache_tags, ['config:menu_list']);
+      $cache_tags = Cache::mergeTags($cache_tags, ['config:menu_list']);
       foreach ($menus as $menu_id => $menu) {
         $route_name = 'entity.menu.edit_form';
         $params = ['menu' => $menu_id];