diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 3b7a3b8a5e06..5754bb6ca0ee 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -337,6 +337,9 @@ static void qmi_wwan_netdev_setup(struct net_device *net)
 		netdev_dbg(net, "mode: raw IP\n");
 	} else if (!net->header_ops) { /* don't bother if already set */
 		ether_setup(net);
+		/* Restoring min/max mtu values set originally by usbnet */
+		net->min_mtu = 0;
+		net->max_mtu = ETH_MAX_MTU;
 		clear_bit(EVENT_NO_IP_ALIGN, &dev->flags);
 		netdev_dbg(net, "mode: Ethernet\n");
 	}