diff --git a/sys/kern/kern_clock.c b/sys/kern/kern_clock.c
index 0661c61f6e4b..a4485a448958 100644
--- a/sys/kern/kern_clock.c
+++ b/sys/kern/kern_clock.c
@@ -353,6 +353,8 @@ stopprofclock(p)
 				    "stopprof", 0);
 			p->p_flag &= ~P_STOPPROF;
 		}
+		if ((p->p_flag & P_PROFIL) == 0)
+			return;
 		mtx_lock_spin(&sched_lock);
 		p->p_flag &= ~P_PROFIL;
 		if (--profprocs == 0)