diff --git a/sys/kern/subr_sleepqueue.c b/sys/kern/subr_sleepqueue.c
index b6bd8fc..4696fe9 100644
--- a/sys/kern/subr_sleepqueue.c
+++ b/sys/kern/subr_sleepqueue.c
@@ -361,7 +361,8 @@ sleepq_add(void *wchan, struct lock_object *lock, const char *wmesg, int flags,
  * sleep queue after timo ticks if the thread has not already been awakened.
  */
 void
-sleepq_set_timeout(void *wchan, int timo)
+sleepq_set_timeout_sbt(void *wchan, sbintime_t sbt, sbintime_t pr,
+    int flags)
 {
 	struct sleepqueue_chain *sc;
 	struct thread *td;
@@ -372,7 +373,8 @@ sleepq_set_timeout(void *wchan, int timo)
 	MPASS(TD_ON_SLEEPQ(td));
 	MPASS(td->td_sleepqueue == NULL);
 	MPASS(wchan != NULL);
-	callout_reset_curcpu(&td->td_slpcallout, timo, sleepq_timeout, td);
+	callout_reset_sbt_on(&td->td_slpcallout, sbt, pr,
+	    sleepq_timeout, td, PCPU_GET(cpuid), flags | C_DIRECT_EXEC);
 }
 
 /*
diff --git a/sys/sys/sleepqueue.h b/sys/sys/sleepqueue.h
index f2a5c75..c21f47d 100644
--- a/sys/sys/sleepqueue.h
+++ b/sys/sys/sleepqueue.h
@@ -108,7 +108,10 @@ struct sleepqueue *sleepq_lookup(void *wchan);
 void	sleepq_release(void *wchan);
 void	sleepq_remove(struct thread *td, void *wchan);
 int	sleepq_signal(void *wchan, int flags, int pri, int queue);
-void	sleepq_set_timeout(void *wchan, int timo);
+void	sleepq_set_timeout_sbt(void *wchan, sbintime_t sbt,
+	    sbintime_t pr, int flags);
+#define	sleepq_set_timeout(wchan, timo)					\
+    sleepq_set_timeout_sbt((wchan), (tick_sbt * (timo)), 0, C_HARDCLOCK)
 u_int	sleepq_sleepcnt(void *wchan, int queue);
 int	sleepq_timedwait(void *wchan, int pri);
 int	sleepq_timedwait_sig(void *wchan, int pri);