diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c
index 01cab95487858f094319e4c3ca4748b33e4b9ff7..eb7f76753c9c0dbdd2ca07985d9c407b433ab506 100644
--- a/drivers/net/arcnet/com20020-pci.c
+++ b/drivers/net/arcnet/com20020-pci.c
@@ -109,7 +109,7 @@ static struct attribute *com20020_state_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group com20020_state_group = {
+static const struct attribute_group com20020_state_group = {
 	.name = NULL,
 	.attrs = com20020_state_attrs,
 };