--- Coro/Coro.pm	2009/12/12 01:30:26	1.274
+++ Coro/Coro.pm	2010/03/31 17:41:07	1.275
@@ -140,7 +140,8 @@
 
 =cut
 
-$idle = new Coro sub {
+# ||= because other modules could have provided their own by now
+$idle ||= new Coro sub {
    require Coro::Debug;
    die "FATAL: deadlock detected.\n"
        . Coro::Debug::ps_listing ();