diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index 8bf40cd9fbf1..e3cff9d6c092 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -675,6 +675,11 @@ static int tipc_udp_enable(struct net *net, struct tipc_bearer *b,
 	if (err)
 		goto err;
 
+	if (remote.proto != local.proto) {
+		err = -EINVAL;
+		goto err;
+	}
+
 	b->bcast_addr.media_id = TIPC_MEDIA_TYPE_UDP;
 	b->bcast_addr.broadcast = TIPC_BROADCAST_SUPPORT;
 	rcu_assign_pointer(b->media_ptr, ub);