diff --git a/tpl/macro.twig b/tpl/macro.twig
index be811ff..74d01a6 100644
--- a/tpl/macro.twig
+++ b/tpl/macro.twig
@@ -330,7 +330,9 @@ Script_{{o.name|norm_name}}.Method_{{m.name}}.ReturnValue(frm, stack
     {%- if has_token(arg, 'bhl_ref_arg') ~%}
       var dv = stack.Pop();
       {{arg_prefix}}{{arg.name}} = dv;
+      {%- if not has_token(arg.type, 'bhl_custom_rw') -%}
       {{ _self.val2native(arg.type, 'dv', arg_prefix ~ 'ref_' ~ arg.name) }};
+      {%- endif ~%}
     {%- else ~%}
       var dv = stack.Pop();
       {{ _self.val2native(arg.type, 'dv', arg_prefix ~ arg.name) }};