diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c
index 534e5a7..7cd8cc0 100644
--- a/fs/hfs/dir.c
+++ b/fs/hfs/dir.c
@@ -313,7 +313,7 @@
 	return res;
 }
 
-struct file_operations hfs_dir_operations = {
+const struct file_operations hfs_dir_operations = {
 	.read		= generic_read_dir,
 	.readdir	= hfs_readdir,
 	.llseek		= generic_file_llseek,