diff --git a/c_src/hyper_carray.c b/c_src/hyper_carray.c
index 9f239e8..2672cb8 100644
--- a/c_src/hyper_carray.c
+++ b/c_src/hyper_carray.c
@@ -128,7 +128,7 @@
 
 	carray_merge_item(arr, index, new_value);
 
-	return enif_make_resource(env, arr);
+	return argv[2];
 }
 
 void dtor(ErlNifEnv * env, void *obj);