diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 0ac1318..bac8005 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -2334,7 +2334,7 @@
 	return (1);
 }
 
-static struct tty_operations rocket_ops = {
+static const struct tty_operations rocket_ops = {
 	.open = rp_open,
 	.close = rp_close,
 	.write = rp_write,