diff --git a/core/config/schema/core.data_types.schema.yml b/core/config/schema/core.data_types.schema.yml
index 130d4cc..4c7f7ec 100644
--- a/core/config/schema/core.data_types.schema.yml
+++ b/core/config/schema/core.data_types.schema.yml
@@ -410,7 +410,7 @@ core.date_format.*:
       type: string
       label: 'ID'
     label:
-      type: label
+      type: core_date_format_label.[%parent.locked]
       label: 'Label'
     locked:
       type: boolean
@@ -419,6 +419,12 @@ core.date_format.*:
       type: date_format
       label: 'PHP date format'
 
+core_date_format_label.0:
+  type: string
+
+core_date_format_label.1:
+  type: label
+
 # Generic field settings schemas.
 
 field.storage_settings.*: