1 files changed, 4 insertions, 0 deletions
diff --git a/model-integration/src/main/java/ai/vespa/rankingexpression/importer/operations/ConcatV2.java b/model-integration/src/main/java/ai/vespa/rankingexpression/importer/operations/ConcatV2.java
index b82a4458873..7787caa83ce 100644
--- a/model-integration/src/main/java/ai/vespa/rankingexpression/importer/operations/ConcatV2.java
+++ b/model-integration/src/main/java/ai/vespa/rankingexpression/importer/operations/ConcatV2.java
@@ -9,6 +9,7 @@ import com.yahoo.tensor.functions.TensorFunction;
 
 import java.util.List;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 public class ConcatV2 extends IntermediateOperation {
 
@@ -104,4 +105,7 @@ public class ConcatV2 extends IntermediateOperation {
         return new ConcatV2(modelName(), name(), inputs);
     }
 
+    @Override
+    public String operationName() { return "ConcatV2"; }
+
 }