diff --git a/src/platforms/posix/lockstep_scheduler b/src/platforms/posix/lockstep_scheduler
index 533a331f68..b1c9af3c69 160000
--- a/src/platforms/posix/lockstep_scheduler
+++ b/src/platforms/posix/lockstep_scheduler
@@ -1 +1 @@
-Subproject commit 533a331f6811309afd4023154a847d069a6509a5
+Subproject commit b1c9af3c69bf6b569da3be755faed5c28e2e237e