diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c
index 055f83f..7147aa53 100644
--- a/drivers/parisc/pdc_stable.c
+++ b/drivers/parisc/pdc_stable.c
@@ -954,7 +954,7 @@ static struct attribute *pdcs_subsys_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group pdcs_attr_group = {
+static const struct attribute_group pdcs_attr_group = {
 	.attrs = pdcs_subsys_attrs,
 };