diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c
index 5dce0f450dda..bfaef27ca79f 100644
--- a/drivers/md/dm-sysfs.c
+++ b/drivers/md/dm-sysfs.c
@@ -120,7 +120,7 @@ static const struct sysfs_ops dm_sysfs_ops = {
 	.store	= dm_attr_store,
 };
 
-static struct kobj_type dm_ktype = {
+static const struct kobj_type dm_ktype = {
 	.sysfs_ops	= &dm_sysfs_ops,
 	.default_groups	= dm_groups,
 	.release	= dm_kobject_release,