diff --git a/client/orm/orm_test.go b/client/orm/orm_test.go
index 21cdb341..977d73aa 100644
--- a/client/orm/orm_test.go
+++ b/client/orm/orm_test.go
@@ -188,6 +188,7 @@ func TestSyncDb(t *testing.T) {
 	RegisterModel(new(User))
 	RegisterModel(new(Profile))
 	RegisterModel(new(Post))
+	RegisterModel(new(NullValue))
 	RegisterModel(new(Tag))
 	RegisterModel(new(Comment))
 	RegisterModel(new(UserBig))