diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c
index 33c2fa2e759607401c54395eb8d07c2c211963a8..da03733690bda74387832e89705493ec4f538304 100644
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -1583,7 +1583,7 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
 	usb_set_intfdata(interface, NULL);
 err_if:
 	usb_put_dev(udev);
-	clear_bit(dev->devno, &cx231xx_devused);
+	clear_bit(nr, &cx231xx_devused);
 	return retval;
 }