diff --git a/drivers/iio/humidity/hdc100x.c b/drivers/iio/humidity/hdc100x.c
index 265c34da52d1b584c8a969480ce1a9f5e46e73fa..aa17115f54c91a8fb104b31146b307b392db6ef8 100644
--- a/drivers/iio/humidity/hdc100x.c
+++ b/drivers/iio/humidity/hdc100x.c
@@ -79,7 +79,7 @@ static struct attribute *hdc100x_attributes[] = {
 	NULL
 };
 
-static struct attribute_group hdc100x_attribute_group = {
+static const struct attribute_group hdc100x_attribute_group = {
 	.attrs = hdc100x_attributes,
 };