diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 39def020a074b7fab442f60216916ae3c3ac6a7b..cdb99507ef33d6e2c6e358d28ce2859260684506 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -583,7 +583,7 @@ static struct attribute *v9fs_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group v9fs_attr_group = {
+static const struct attribute_group v9fs_attr_group = {
 	.attrs = v9fs_attrs,
 };