diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c
index f4445a4e8d6a5c937fabe921aad21b0ae8f65159..e9712a1b7cad93a35ed244a647ddeb494f0e494f 100644
--- a/drivers/input/joystick/spaceball.c
+++ b/drivers/input/joystick/spaceball.c
@@ -272,7 +272,7 @@ static int spaceball_connect(struct serio *serio, struct serio_driver *drv)
  * The serio driver structure.
  */
 
-static struct serio_device_id spaceball_serio_ids[] = {
+static const struct serio_device_id spaceball_serio_ids[] = {
 	{
 		.type	= SERIO_RS232,
 		.proto	= SERIO_SPACEBALL,