diff --git a/sys/kern/kern_timeout.c b/sys/kern/kern_timeout.c
--- a/sys/kern/kern_timeout.c
+++ b/sys/kern/kern_timeout.c
@@ -393,7 +393,7 @@
 		cc->cc_thread = td;
 		thread_lock(td);
 		sched_class(td, PRI_ITHD);
-		sched_prio(td, PI_SWI(SWI_CLOCK));
+		sched_prio(td, PI_SOFTCLOCK);
 		TD_SET_IWAIT(td);
 		thread_lock_set(td, (struct mtx *)&cc->cc_lock);
 		thread_unlock(td);
diff --git a/sys/sys/priority.h b/sys/sys/priority.h
--- a/sys/sys/priority.h
+++ b/sys/sys/priority.h
@@ -87,6 +87,7 @@
 
 #define	PI_REALTIME		(PRI_MIN_ITHD + 0)
 #define	PI_AV			(PRI_MIN_ITHD + 4)
+#define	PI_SOFTCLOCK		PI_AV
 #define	PI_NET			(PRI_MIN_ITHD + 8)
 #define	PI_DISK			(PRI_MIN_ITHD + 12)
 #define	PI_TTY			(PRI_MIN_ITHD + 16)