diff --git a/tractor/_actor.py b/tractor/_actor.py
index 03ff833..02a010c 100644
--- a/tractor/_actor.py
+++ b/tractor/_actor.py
@@ -821,7 +821,7 @@ class Actor:
         self._server_down = trio.Event()
         try:
             async with trio.open_nursery() as server_n:
-                listeners: List[trio.abc.Listener] = await server_n.start(
+                l: List[trio.abc.Listener] = await server_n.start(
                     partial(
                         trio.serve_tcp,
                         self._stream_handler,
@@ -832,9 +832,10 @@ class Actor:
                         host=accept_host,
                     )
                 )
-                log.debug("Started tcp server(s) on"  # type: ignore
-                          f" {[l.socket for l in listeners]}")
-                self._listeners.extend(listeners)
+                log.debug(
+                    "Started tcp server(s) on"
+                    f" {[getattr(l, 'socket', 'unknown socket') for l in l]}")
+                self._listeners.extend(l)
                 task_status.started(server_n)
         finally:
             # signal the server is down since nursery above terminated
diff --git a/tractor/_entry.py b/tractor/_entry.py
index a9b91e4..0faf486 100644
--- a/tractor/_entry.py
+++ b/tractor/_entry.py
@@ -15,7 +15,7 @@ log = get_logger(__name__)
 
 
 def _mp_main(
-    actor: 'Actor',  # noqa
+    actor: 'Actor',  # type: ignore
     accept_addr: Tuple[str, int],
     forkserver_info: Tuple[Any, Any, Any, Any, Any],
     start_method: str,
@@ -54,8 +54,9 @@ def _mp_main(
 
 
 def _trio_main(
-    actor: 'Actor',  # noqa
-    parent_addr: Tuple[str, int] = None
+    actor: 'Actor',  # type: ignore
+    *,
+    parent_addr: Tuple[str, int] = None,
 ) -> None:
     """Entry point for a `trio_run_in_process` subactor.
     """