diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 9f6cc15..422eaf8 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -2006,7 +2006,7 @@
 	 */
 	if ((vptr->flags & VELOCITY_FLAGS_TX_CSUM)
 				 && (skb->ip_summed == CHECKSUM_PARTIAL)) {
-		struct iphdr *ip = skb->nh.iph;
+		const struct iphdr *ip = ip_hdr(skb);
 		if (ip->protocol == IPPROTO_TCP)
 			td_ptr->tdesc1.TCR |= TCR0_TCPCK;
 		else if (ip->protocol == IPPROTO_UDP)