diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index d2922c0ef57a65..51561eafcb72fb 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -919,7 +919,7 @@ static struct sk_buff *htb_dequeue(struct Qdisc *sch)
 	q->now = ktime_to_ns(ktime_get());
 	start_at = jiffies;
 
-	next_event = q->now + 5 * NSEC_PER_SEC;
+	next_event = q->now + 5LLU * NSEC_PER_SEC;
 
 	for (level = 0; level < TC_HTB_MAXDEPTH; level++) {
 		/* common case optimization - skip event handler quickly */