diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index 2eb31ffb3d14..b479dc148d7b 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -1229,13 +1229,13 @@ static struct nf_conntrack_expect *find_expect(struct nf_conn *ct,
 {
 	struct net *net = nf_ct_net(ct);
 	struct nf_conntrack_expect *exp;
-	struct nf_conntrack_tuple tuple;
+	struct nf_conntrack_tuple tuple = {
+		.src.l3num = nf_ct_l3num(ct),
+		.dst.protonum = IPPROTO_TCP,
+		.dst.u.tcp.port = port,
+	};
 
-	memset(&tuple.src.u3, 0, sizeof(tuple.src.u3));
-	tuple.src.u.tcp.port = 0;
 	memcpy(&tuple.dst.u3, addr, sizeof(tuple.dst.u3));
-	tuple.dst.u.tcp.port = port;
-	tuple.dst.protonum = IPPROTO_TCP;
 
 	exp = __nf_ct_expect_find(net, nf_ct_zone(ct), &tuple);
 	if (exp && exp->master == ct)