1 files changed, 1 insertions, 1 deletions
diff --git a/container-search/src/main/java/com/yahoo/search/dispatch/rpc/RpcProtobufFillInvoker.java b/container-search/src/main/java/com/yahoo/search/dispatch/rpc/RpcProtobufFillInvoker.java
index f994a89705e..a5c926abdf4 100644
--- a/container-search/src/main/java/com/yahoo/search/dispatch/rpc/RpcProtobufFillInvoker.java
+++ b/container-search/src/main/java/com/yahoo/search/dispatch/rpc/RpcProtobufFillInvoker.java
@@ -65,7 +65,7 @@ public class RpcProtobufFillInvoker extends FillInvoker {
 
     @Override
     protected void sendFillRequest(Result result, String summaryClass) {
-        if (! documentDb.getDocsumDefinitionSet().hasDocsum(summaryClass)) {
+        if ((summaryClass != null) && ! documentDb.getDocsumDefinitionSet().hasDocsum(summaryClass)) {
             throw new IllegalArgumentException("invalid presentation.summary=" + summaryClass);
         }
         ListMap<Integer, FastHit> hitsByNode = hitsByNode(result);