diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 0acabf2..4d6dc62 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -285,7 +285,7 @@
 
 struct xfrm_mode {
 	int (*input)(struct xfrm_state *x, struct sk_buff *skb);
-	int (*output)(struct sk_buff *skb);
+	int (*output)(struct xfrm_state *x,struct sk_buff *skb);
 
 	struct module *owner;
 	unsigned int encap;