diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 1c2e3ec..b4bc6e09 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -229,7 +229,8 @@
 extern int  dccp_retransmit_skb(struct sock *sk);
 
 extern void dccp_send_ack(struct sock *sk);
-extern void dccp_reqsk_send_ack(struct sk_buff *sk, struct request_sock *rsk);
+extern void dccp_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
+				struct request_sock *rsk);
 
 extern void dccp_send_sync(struct sock *sk, const u64 seq,
 			   const enum dccp_pkt_type pkt_type);