diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 766f11f..e32d597 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -204,7 +204,7 @@
 	return 0;
 }
 
-struct file_operations v9fs_dir_operations = {
+const struct file_operations v9fs_dir_operations = {
 	.read = generic_read_dir,
 	.readdir = v9fs_dir_readdir,
 	.open = v9fs_file_open,