diff --git a/config/schema/diff.schema.yml b/config/schema/diff.schema.yml
index 3651876..38a9a62 100644
--- a/config/schema/diff.schema.yml
+++ b/config/schema/diff.schema.yml
@@ -1,5 +1,5 @@
 diff.settings:
-  type: mapping
+  type: config_object
   label: 'Settings'
   mapping:
     general_settings:
@@ -42,7 +42,7 @@ diff.plugins:
           type: diff.plugin.settings.[%parent.type]
 
 diff.plugin.settings_base:
-  type: mapping
+  type: config_object
   label: 'Settings for base diff builder plugin'
   mapping:
     show_header: