diff --git a/drivers/dahdi/xpp/xpp_usb.c b/drivers/dahdi/xpp/xpp_usb.c
index 5b5900c..af83b52 100644
--- a/drivers/dahdi/xpp/xpp_usb.c
+++ b/drivers/dahdi/xpp/xpp_usb.c
@@ -555,7 +555,7 @@ static struct usb_driver xusb_driver = {
  * would use "struct net_driver" instead, and a serial
  * device would use "struct tty_driver".
  */
-static struct file_operations xusb_fops = {
+static const struct file_operations xusb_fops = {
 	/*
 	 * The owner field is part of the module-locking
 	 * mechanism. The idea is that the kernel knows