--- a/util/async.lua	Tue Nov 21 18:13:42 2023 +0000
+++ b/util/async.lua	Tue Nov 21 18:14:51 2023 +0000
@@ -305,5 +305,7 @@
 
 	set_nexttick = function(new_next_tick) next_tick = new_next_tick; end;
 	set_schedule_function = function (new_schedule_function) schedule_task = new_schedule_function; end;
+
 	waiting_runners = waiting_runners;
+	default_runner_func = default_func;
 };