diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index f9194f7..1da3d32 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1314,7 +1314,7 @@
 static int ip_reply_glue_bits(void *dptr, char *to, int offset, 
 			      int len, int odd, struct sk_buff *skb)
 {
-	unsigned int csum;
+	__wsum csum;
 
 	csum = csum_partial_copy_nocheck(dptr+offset, to, len, 0);
 	skb->csum = csum_block_add(skb->csum, csum, odd);