1 files changed, 4 insertions, 0 deletions
diff --git a/vespajlib/src/main/java/com/yahoo/tensor/functions/Softmax.java b/vespajlib/src/main/java/com/yahoo/tensor/functions/Softmax.java
index 9ea9040831b..df8cd6d39cd 100644
--- a/vespajlib/src/main/java/com/yahoo/tensor/functions/Softmax.java
+++ b/vespajlib/src/main/java/com/yahoo/tensor/functions/Softmax.java
@@ -7,6 +7,7 @@ import com.yahoo.tensor.evaluation.Name;
 
 import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
 
 /**
  * @author bratseth
@@ -50,4 +51,7 @@ public class Softmax<NAMETYPE extends Name> extends CompositeTensorFunction<NAME
         return "softmax(" + argument.toString(context) + ", " + dimension + ")";
     }
 
+    @Override
+    public int hashCode() { return Objects.hash("softmax", argument, dimension); }
+
 }