diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c
index 32d0199..17e4eec 100644
--- a/drivers/usb/misc/rio500.c
+++ b/drivers/usb/misc/rio500.c
@@ -510,7 +510,7 @@
 	}
 }
 
-static struct usb_device_id rio_table [] = {
+static const struct usb_device_id rio_table[] = {
 	{ USB_DEVICE(0x0841, 1) }, 		/* Rio 500 */
 	{ }					/* Terminating entry */
 };