diff --git a/drivers/char/watchdog/wafer5823wdt.c b/drivers/char/watchdog/wafer5823wdt.c
index 7cf6c9b..2bb6a9d 100644
--- a/drivers/char/watchdog/wafer5823wdt.c
+++ b/drivers/char/watchdog/wafer5823wdt.c
@@ -222,7 +222,7 @@
  *	Kernel Interfaces
  */
 
-static struct file_operations wafwdt_fops = {
+static const struct file_operations wafwdt_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= no_llseek,
 	.write		= wafwdt_write,