diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c
index ac39febdac55..2309f5f2b238 100644
--- a/drivers/staging/unisys/visorbus/visorbus_main.c
+++ b/drivers/staging/unisys/visorbus/visorbus_main.c
@@ -96,7 +96,7 @@ static const struct attribute_group visorbus_dev_group = {
 	.attrs = visorbus_dev_attrs,
 };
 
-const struct attribute_group *visorbus_dev_groups[] = {
+static const struct attribute_group *visorbus_dev_groups[] = {
 	&visorbus_dev_group,
 	NULL,
 };