diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 2663743..b01dde3 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -128,7 +128,7 @@
 {
 	struct net_bridge *br = (struct net_bridge *)_data;
 	unsigned long delay = hold_time(br);
-	unsigned long next_timer = jiffies + br->forward_delay;
+	unsigned long next_timer = jiffies + br->ageing_time;
 	int i;
 
 	spin_lock_bh(&br->hash_lock);
@@ -149,9 +149,7 @@
 	}
 	spin_unlock_bh(&br->hash_lock);
 
-	/* Add HZ/4 to ensure we round the jiffies upwards to be after the next
-	 * timer, otherwise we might round down and will have no-op run. */
-	mod_timer(&br->gc_timer, round_jiffies(next_timer + HZ/4));
+	mod_timer(&br->gc_timer, round_jiffies_up(next_timer));
 }
 
 /* Completely flush all dynamic entries in forwarding database.*/