diff --git a/tractor/_ipc.py b/tractor/_ipc.py
index 70774be..511a053 100644
--- a/tractor/_ipc.py
+++ b/tractor/_ipc.py
@@ -716,4 +716,5 @@ async def _connect_chan(
     chan = Channel((host, port))
     await chan.connect()
     yield chan
-    await chan.aclose()
+    with trio.CancelScope(shield=True):
+        await chan.aclose()