diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c
index c14ae86..ae57bf9 100644
--- a/drivers/watchdog/riowd.c
+++ b/drivers/watchdog/riowd.c
@@ -85,7 +85,7 @@
 
 static long riowd_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	static struct watchdog_info info = {
+	static const struct watchdog_info info = {
 		.options		= WDIOF_SETTIMEOUT,
 		.firmware_version	= 1,
 		.identity		= DRIVER_NAME,