diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c
index 788b3d6fd1cc973ae398baeaf5b4a88e2207186c..22a027de498a1fe32433a7ad5b2cbf57f1c6b40e 100644
--- a/drivers/iio/dac/ad5504.c
+++ b/drivers/iio/dac/ad5504.c
@@ -212,7 +212,7 @@ static struct attribute *ad5504_ev_attributes[] = {
 	NULL,
 };
 
-static struct attribute_group ad5504_ev_attribute_group = {
+static const struct attribute_group ad5504_ev_attribute_group = {
 	.attrs = ad5504_ev_attributes,
 };