diff --git a/sys/kern/kern_ntptime.c b/sys/kern/kern_ntptime.c
--- a/sys/kern/kern_ntptime.c
+++ b/sys/kern/kern_ntptime.c
@@ -209,6 +209,7 @@
struct timespec atv; /* nanosecond time */
int error;
+ bzero(&ntv, sizeof(ntv));
lockmgr(&ntp_lock, LK_EXCLUSIVE);
nanotime(&atv);