diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
index e199fd6c71ced6dfbe94bb4e0f7581d6ff408550..35582eb271e9b1c4c55d20f5bbef160352f10833 100644
--- a/drivers/macintosh/rack-meter.c
+++ b/drivers/macintosh/rack-meter.c
@@ -579,7 +579,7 @@ static int rackmeter_shutdown(struct macio_dev* mdev)
 	return 0;
 }
 
-static struct of_device_id rackmeter_match[] = {
+static const struct of_device_id rackmeter_match[] = {
 	{ .name = "i2s" },
 	{ }
 };