diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c
index 2b89038..fc1a8dc 100644
--- a/fs/adfs/dir.c
+++ b/fs/adfs/dir.c
@@ -295,7 +295,7 @@
 /*
  * directories can handle most operations...
  */
-struct inode_operations adfs_dir_inode_operations = {
+const struct inode_operations adfs_dir_inode_operations = {
 	.lookup		= adfs_lookup,
 	.setattr	= adfs_notify_change,
 };