1 files changed, 1 insertions, 5 deletions
diff --git a/config-model/src/main/java/com/yahoo/schema/derived/SummaryClass.java b/config-model/src/main/java/com/yahoo/schema/derived/SummaryClass.java
index 193c6893203..efc64a5aa40 100644
--- a/config-model/src/main/java/com/yahoo/schema/derived/SummaryClass.java
+++ b/config-model/src/main/java/com/yahoo/schema/derived/SummaryClass.java
@@ -59,7 +59,7 @@ public class SummaryClass extends Derived {
     /** MUST be called after all other fields are added */
     private void deriveImplicitFields(DocumentSummary summary, Map<String, SummaryClassField> fields) {
         if (summary.getName().equals("default")) {
-            addField(SummaryClass.DOCUMENT_ID_FIELD, DataType.STRING, fields);
+            addField(SummaryClass.DOCUMENT_ID_FIELD, DataType.STRING, SummaryTransform.DOCUMENT_ID, fields);
         }
     }
 
@@ -72,10 +72,6 @@ public class SummaryClass extends Derived {
         }
     }
 
-    private void addField(String name, DataType type, Map<String, SummaryClassField> fields) {
-        addField(name, type, null, fields);
-    }
-
     private void addField(String name, DataType type,
                           SummaryTransform transform,
                           Map<String, SummaryClassField> fields) {