diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index a8a32bc..73502fe 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -2788,7 +2788,7 @@
 
 	ctrl = 0;
 	if (skb->ip_summed == CHECKSUM_PARTIAL) {
-		const u64 csum_start_off = skb_transport_offset(skb);
+		const u64 csum_start_off = skb_checksum_start_offset(skb);
 		const u64 csum_stuff_off = csum_start_off + skb->csum_offset;
 
 		ctrl =  TX_DESC_CSUM_EN |