diff --git a/net/ax25/ax25_timer.c b/net/ax25/ax25_timer.c
index 85865ebfdfa2..9f7cb0a7c73f 100644
--- a/net/ax25/ax25_timer.c
+++ b/net/ax25/ax25_timer.c
@@ -108,10 +108,12 @@ int ax25_t1timer_running(ax25_cb *ax25)
 
 unsigned long ax25_display_timer(struct timer_list *timer)
 {
+	long delta = timer->expires - jiffies;
+
 	if (!timer_pending(timer))
 		return 0;
 
-	return timer->expires - jiffies;
+	return max(0L, delta);
 }
 
 EXPORT_SYMBOL(ax25_display_timer);