diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 1e2f3f4958436fb120b81d41632ad7e7c76fb5b5..22da09388a74f4d46160d5f7eeacde97f45babf5 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1655,7 +1655,7 @@ static void handle_device_notification(struct xhci_hcd *xhci,
 	u32 slot_id;
 	struct usb_device *udev;
 
-	slot_id = TRB_TO_SLOT_ID(event->generic.field[3]);
+	slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->generic.field[3]));
 	if (!xhci->devs[slot_id]) {
 		xhci_warn(xhci, "Device Notification event for "
 				"unused slot %u\n", slot_id);