core/lib/Drupal/Core/Menu/MenuTreeStorage.php | 2 +-
 core/modules/user/src/PermissionsHash.php     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/lib/Drupal/Core/Menu/MenuTreeStorage.php b/core/lib/Drupal/Core/Menu/MenuTreeStorage.php
index b159e6f..8ec44cb 100644
--- a/core/lib/Drupal/Core/Menu/MenuTreeStorage.php
+++ b/core/lib/Drupal/Core/Menu/MenuTreeStorage.php
@@ -241,7 +241,7 @@ protected function safeExecuteSelect(SelectInterface $query) {
   public function save(array $link) {
     $affected_menus = $this->doSave($link);
     $this->resetDefinitions();
-    $cache_tags = Cache::buildTags('config:system.menu.', $affected_menus, '');
+    $cache_tags = Cache::buildTags('config:system.menu', $affected_menus, '.');
     Cache::invalidateTags($cache_tags);
     return $affected_menus;
   }
diff --git a/core/modules/user/src/PermissionsHash.php b/core/modules/user/src/PermissionsHash.php
index 57f0646..82ac991 100644
--- a/core/modules/user/src/PermissionsHash.php
+++ b/core/modules/user/src/PermissionsHash.php
@@ -59,7 +59,7 @@ public function generate(AccountInterface $account) {
     }
     else {
       $permissions_hash = $this->doGenerate($sorted_roles);
-      $tags = Cache::buildTags('config:user.role.', $sorted_roles, '');
+      $tags = Cache::buildTags('config:user.role', $sorted_roles, '.');
       $this->cache->set("user_permissions_hash:$role_list", $permissions_hash, Cache::PERMANENT, $tags);
     }