--- x/net/sched/sch_fq_pie.c
+++ y/net/sched/sch_fq_pie.c
@@ -401,7 +401,7 @@ static void fq_pie_timer(struct timer_li
 		next = tupdate;
 	}
 	if (tupdate)
-		mod_timer(&q->adapt_timer, jiffies + next);
+		mod_timer(&q->adapt_timer, jiffies + max(2, next));
 	spin_unlock(root_lock);
 	rcu_read_unlock();
 }