diff --git a/graphene_django/rest_framework/mutation.py b/graphene_django/rest_framework/mutation.py
index 906f4aa..c3c9836 100644
--- a/graphene_django/rest_framework/mutation.py
+++ b/graphene_django/rest_framework/mutation.py
@@ -124,4 +124,6 @@ class SerializerMutation(six.with_metaclass(SerializerMutationMeta, Mutation)):
 
     @classmethod
     def perform_mutate(cls, serializer, info):
-        return serializer.save()
+        obj = serializer.save()
+
+        return cls(**obj)
\ No newline at end of file