diff --git a/core/modules/field/config/schema/field.schema.yml b/core/modules/field/config/schema/field.schema.yml
index 3549177..9996784 100644
--- a/core/modules/field/config/schema/field.schema.yml
+++ b/core/modules/field/config/schema/field.schema.yml
@@ -11,7 +11,7 @@ field.settings:
       type: integer
       label: 'Maximum number of field data records to purge'
 
-field.field.*:
+field.field.*.*:
   type: mapping
   label: 'Field'
   mapping: