diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index acf1321657ec..274b15d2a2cc 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -229,6 +229,12 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 			return 0;
 		skbn->dev = net;
 
+	       /* Raw IP packets don't have a MAC header, but other subsystems
+		* (like xfrm) may still access MAC header offsets, so they must
+		* be initialized.
+		*/
+		skb_reset_mac_header(skbn);
+
 		switch (skb->data[offset + qmimux_hdr_sz] & 0xf0) {
 		case 0x40:
 			skbn->protocol = htons(ETH_P_IP);