diff --git a/src/platforms/posix/lockstep_scheduler b/src/platforms/posix/lockstep_scheduler
index b1c9af3c69..ab86443978 160000
--- a/src/platforms/posix/lockstep_scheduler
+++ b/src/platforms/posix/lockstep_scheduler
@@ -1 +1 @@
-Subproject commit b1c9af3c69bf6b569da3be755faed5c28e2e237e
+Subproject commit ab864439788494a60002f913343f63619894d82a