diff --git a/dataflow_neuro/cell_lib_async.act b/dataflow_neuro/cell_lib_async.act
index c57ed49..e2f25e5 100644
--- a/dataflow_neuro/cell_lib_async.act
+++ b/dataflow_neuro/cell_lib_async.act
@@ -521,7 +521,7 @@ namespace tmpl {
            [keeper=0] ~_y2 | ~d  => y2+
           }
           spec {
-            mk_excllo(_y1, _y2)
+            mk_excllo(y1, y2)
           }
         }
         }}