diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c
index a557b46dbe8ed4ef3af89015b7347469a9d0a101..bd2ca315c9d8bfeab1e937c8fc3f2f105ff04678 100644
--- a/drivers/hwmon/adc128d818.c
+++ b/drivers/hwmon/adc128d818.c
@@ -384,7 +384,7 @@ static struct attribute *adc128_attrs[] = {
 	NULL
 };
 
-static struct attribute_group adc128_group = {
+static const struct attribute_group adc128_group = {
 	.attrs = adc128_attrs,
 	.is_visible = adc128_is_visible,
 };