diff --git a/core/modules/system/config/schema/system.schema.yml b/core/modules/system/config/schema/system.schema.yml
index 9ce8e39..3809d51 100644
--- a/core/modules/system/config/schema/system.schema.yml
+++ b/core/modules/system/config/schema/system.schema.yml
@@ -376,7 +376,7 @@ block.settings.system_branding_block:
       label: 'Use site slogan'
 
 block.settings.system_menu_block:*:
-  type: mapping
+  type: block_settings
   label: 'Menu block'
   mapping:
     level: