diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h
index cb608a1b44e59812876c1c3db00b2150fc538e1c..f1bdcb4f3f2ad1edc71b436a1789ba7dbc0fb672 100644
--- a/include/net/netfilter/nf_conntrack_expect.h
+++ b/include/net/netfilter/nf_conntrack_expect.h
@@ -75,9 +75,9 @@ void nf_ct_unexpect_related(struct nf_conntrack_expect *exp);
    nf_ct_expect_related.  You will have to call put afterwards. */
 struct nf_conntrack_expect *nf_ct_expect_alloc(struct nf_conn *me);
 void nf_ct_expect_init(struct nf_conntrack_expect *, int,
-		       union nf_inet_addr *,
-		       union nf_inet_addr *,
-		       u_int8_t, __be16 *, __be16 *);
+		       const union nf_inet_addr *,
+		       const union nf_inet_addr *,
+		       u_int8_t, const __be16 *, const __be16 *);
 void nf_ct_expect_put(struct nf_conntrack_expect *exp);
 int nf_ct_expect_related(struct nf_conntrack_expect *expect);
 
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index 684ec9c1ad38b7545502fd08213360bd2c7a9b0c..740d94d30091e6aba7bebd10e9b5197c84520819 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -229,9 +229,9 @@ struct nf_conntrack_expect *nf_ct_expect_alloc(struct nf_conn *me)
 EXPORT_SYMBOL_GPL(nf_ct_expect_alloc);
 
 void nf_ct_expect_init(struct nf_conntrack_expect *exp, int family,
-		       union nf_inet_addr *saddr,
-		       union nf_inet_addr *daddr,
-		       u_int8_t proto, __be16 *src, __be16 *dst)
+		       const union nf_inet_addr *saddr,
+		       const union nf_inet_addr *daddr,
+		       u_int8_t proto, const __be16 *src, const __be16 *dst)
 {
 	int len;