diff --git a/sys/cam/ctl/ctl_ha.c b/sys/cam/ctl/ctl_ha.c
index d7f21c7a74b6..3402f040ee02 100644
--- a/sys/cam/ctl/ctl_ha.c
+++ b/sys/cam/ctl/ctl_ha.c
@@ -1001,7 +1001,7 @@ ctl_ha_msg_shutdown(struct ctl_softc *ctl_softc)
 		softc->ha_shutdown = 1;
 		softc->ha_wakeup = 1;
 		wakeup(&softc->ha_wakeup);
-		while (softc->ha_shutdown < 2) {
+		while (softc->ha_shutdown < 2 && !SCHEDULER_STOPPED()) {
 			msleep(&softc->ha_wakeup, &softc->ha_lock, 0,
 			    "shutdown", hz);
 		}