diff --git a/src/drivers/net/ena.c b/src/drivers/net/ena.c
index 8d29979bb..0f25c0beb 100644
--- a/src/drivers/net/ena.c
+++ b/src/drivers/net/ena.c
@@ -565,6 +565,7 @@ static int ena_get_device_attributes ( struct net_device *netdev ) {
 	feature = &rsp->get_feature.feature;
 	memcpy ( netdev->hw_addr, feature->device.mac, ETH_ALEN );
 	netdev->max_pkt_len = le32_to_cpu ( feature->device.mtu );
+	netdev->mtu = ( netdev->max_pkt_len - ETH_HLEN );
 
 	DBGC ( ena, "ENA %p MAC %s MTU %zd\n",
 	       ena, eth_ntoa ( netdev->hw_addr ), netdev->max_pkt_len );
diff --git a/src/drivers/net/virtio-net.c b/src/drivers/net/virtio-net.c
index fe79a92c4..78ec9ac4e 100644
--- a/src/drivers/net/virtio-net.c
+++ b/src/drivers/net/virtio-net.c
@@ -493,6 +493,7 @@ static int virtnet_probe_legacy ( struct pci_device *pci ) {
 			 &mtu, sizeof ( mtu ) );
 		DBGC ( virtnet, "VIRTIO-NET %p mtu=%d\n", virtnet, mtu );
 		netdev->max_pkt_len = ( mtu + ETH_HLEN );
+		netdev->mtu = mtu;
 	}
 
 	/* Register network device */
diff --git a/src/net/ethernet.c b/src/net/ethernet.c
index 26fdedea8..707bdf905 100644
--- a/src/net/ethernet.c
+++ b/src/net/ethernet.c
@@ -269,6 +269,7 @@ struct net_device * alloc_etherdev ( size_t priv_size ) {
 		netdev->ll_protocol = &ethernet_protocol;
 		netdev->ll_broadcast = eth_broadcast;
 		netdev->max_pkt_len = ETH_FRAME_LEN;
+		netdev->mtu = ETH_MAX_MTU;
 	}
 	return netdev;
 }