diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c
index 1d6f77252f01..9f3e16684e28 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb.c
@@ -384,7 +384,8 @@ static int pcan_usb_get_device_id(struct peak_usb_device *dev, u32 *device_id)
 	if (err)
 		netdev_err(dev->netdev, "getting device id failure: %d\n", err);
 
-	*device_id = args[0];
+	else
+		*device_id = args[0];
 
 	return err;
 }