diff --git a/drivers/misc/isl29020.c b/drivers/misc/isl29020.c
index 15d1749f5452..e3bd3c1d2574 100644
--- a/drivers/misc/isl29020.c
+++ b/drivers/misc/isl29020.c
@@ -188,7 +188,7 @@ static int isl29020_remove(struct i2c_client *client)
 	return 0;
 }
 
-static struct i2c_device_id isl29020_id[] = {
+static const struct i2c_device_id isl29020_id[] = {
 	{ "isl29020", 0 },
 	{ }
 };