diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index d3467e563f0232c3bc1f6879e43c6ef99c80c3a4..26915effb3bcf0bf384b42017118ca0f0146677c 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -454,7 +454,7 @@ static int ipip6_err(struct sk_buff *skb, u32 info)
 	if (t->parms.iph.ttl == 0 && type == ICMP_TIME_EXCEEDED)
 		goto out;
 
-	if (jiffies - t->err_time < IPTUNNEL_ERR_TIMEO)
+	if (time_before(jiffies, t->err_time + IPTUNNEL_ERR_TIMEO))
 		t->err_count++;
 	else
 		t->err_count = 1;
@@ -658,7 +658,8 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 	}
 
 	if (tunnel->err_count > 0) {
-		if (jiffies - tunnel->err_time < IPTUNNEL_ERR_TIMEO) {
+		if (time_before(jiffies,
+				tunnel->err_time + IPTUNNEL_ERR_TIMEO)) {
 			tunnel->err_count--;
 			dst_link_failure(skb);
 		} else