diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 0165388..d672aa9 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -658,7 +658,7 @@
 	return 0;
 }
 
-struct file_operations ext2_dir_operations = {
+const struct file_operations ext2_dir_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.readdir	= ext2_readdir,