diff --git a/tpl/macro.twig b/tpl/macro.twig
index 7a87a44..8a16cd1 100644
--- a/tpl/macro.twig
+++ b/tpl/macro.twig
@@ -3,7 +3,7 @@
     var fn = new FuncSymbolNative("{{o.name|ns_last}}",
 
       {%- if has_token(o, 'bhl_coroutine') -%}
-        FuncAttrib.Async,
+        FuncAttrib.Coro,
       {%- endif ~%}
 
       {{ o.returntype|bhl_type_ref }},
@@ -48,7 +48,7 @@
  {
     var fn = new FuncSymbolNative("{{o.name|ns_last}}",
     {%- if has_token(o, 'bhl_coroutine') -%}
-      FuncAttrib.Async,
+      FuncAttrib.Coro,
     {%- endif ~%}
      {{o.returntype|bhl_type_ref}},
      {{ count_default_args(o) }},