diff --git a/tractor/_trionics.py b/tractor/_trionics.py
index 5b58511..17e7838 100644
--- a/tractor/_trionics.py
+++ b/tractor/_trionics.py
@@ -298,8 +298,8 @@ async def _open_and_supervise_one_cancels_all_nursery(
                                 f'child {_debug._global_actor_in_debug}\n'
                                 'Waiting on tty lock to release..')
 
-                            with trio.CancelScope(shield=True):
-                                await debug_complete.wait()
+                            # with trio.CancelScope(shield=True):
+                            await debug_complete.wait()
 
                     # if the caller's scope errored then we activate our
                     # one-cancels-all supervisor strategy (don't