diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c
index a2ba71fbbed4..6cf173a008e7 100644
--- a/drivers/net/wireguard/device.c
+++ b/drivers/net/wireguard/device.c
@@ -302,6 +302,8 @@ static void wg_setup(struct net_device *dev)
 	/* We need to keep the dst around in case of icmp replies. */
 	netif_keep_dst(dev);
 
+	netif_set_tso_max_size(dev, GSO_MAX_SIZE);
+
 	wg->dev = dev;
 }