diff --git a/drivers/char/toshiba.c b/drivers/char/toshiba.c
index e2fb234..dd36fd0 100644
--- a/drivers/char/toshiba.c
+++ b/drivers/char/toshiba.c
@@ -92,7 +92,7 @@
 	unsigned long);
 
 
-static struct file_operations tosh_fops = {
+static const struct file_operations tosh_fops = {
 	.owner		= THIS_MODULE,
 	.ioctl		= tosh_ioctl,
 };