diff --git a/include/net/tcp.h b/include/net/tcp.h
index f32e7aed..9416236 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -850,7 +850,7 @@
 
 extern void __tcp_data_snd_check(struct sock *sk, struct sk_buff *skb);
 extern void __tcp_push_pending_frames(struct sock *sk, struct tcp_sock *tp,
-				      unsigned cur_mss, int nonagle);
+				      unsigned int cur_mss, int nonagle);
 extern int tcp_may_send_now(struct sock *sk, struct tcp_sock *tp);
 extern int tcp_retransmit_skb(struct sock *, struct sk_buff *);
 extern void tcp_xmit_retransmit_queue(struct sock *);