diff --git a/tests/test_rpc.py b/tests/test_rpc.py
index 6e2b414c..465f9483 100644
--- a/tests/test_rpc.py
+++ b/tests/test_rpc.py
@@ -111,8 +111,9 @@ def test_rpc_errors(
 
             actor = tractor.current_actor()
             assert actor.is_registrar
-            await n.run_in_actor(
+            await tractor.to_actor.run(
                 sleep_back_actor,
+                an=n,
                 actor_name=subactor_requests_to,
 
                 name='subactor',