diff --git a/drivers/net/ovpn/main.c b/drivers/net/ovpn/main.c
index 9993c1dfe471..9d9a0ff690d6 100644
--- a/drivers/net/ovpn/main.c
+++ b/drivers/net/ovpn/main.c
@@ -210,6 +210,12 @@ static int ovpn_newlink(struct net_device *dev,
 	return register_netdevice(dev);
 }
 
+static size_t ovpn_get_size(const struct net_device *dev)
+{
+	/* IFLA_OVPN_MODE */
+	return nla_total_size(sizeof(u8));
+}
+
 static int ovpn_fill_info(struct sk_buff *skb, const struct net_device *dev)
 {
 	struct ovpn_priv *ovpn = netdev_priv(dev);
@@ -228,6 +234,7 @@ static struct rtnl_link_ops ovpn_link_ops = {
 	.policy = ovpn_policy,
 	.maxtype = IFLA_OVPN_MAX,
 	.newlink = ovpn_newlink,
+	.get_size = ovpn_get_size,
 	.fill_info = ovpn_fill_info,
 };