diff --git a/sys/kern/kern_time.c b/sys/kern/kern_time.c
--- a/sys/kern/kern_time.c
+++ b/sys/kern/kern_time.c
@@ -1646,8 +1646,8 @@
 		return (EINVAL);
 	if ((UINT64_MAX - ts->tv_nsec) / NS_PER_SEC < ts->tv_sec)
 		return (EINVAL);
-	if (ts->tv_sec == 0 && ts->tv_nsec != 0 && ts->tv_nsec < tick * 1000)
-		ts->tv_nsec = tick * 1000;
+	if (ts->tv_sec == 0 && ts->tv_nsec != 0 && ts->tv_nsec < tick * 1000 / 16)
+        	ts->tv_nsec = tick * 1000 / 16;
 	return (0);
 }