diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index e2dc9da..4016403 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -587,6 +587,8 @@
 
 	if (unlikely(!tun_info))
 		return -EINVAL;
+	if (ip_tunnel_info_af(tun_info) != AF_INET)
+		return -EINVAL;
 
 	tun_key = &tun_info->key;