diff --git a/fs/affs/file.c b/fs/affs/file.c
index 05b5e22..4aa8079 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -38,7 +38,7 @@
 	.sendfile	= generic_file_sendfile,
 };
 
-struct inode_operations affs_file_inode_operations = {
+const struct inode_operations affs_file_inode_operations = {
 	.truncate	= affs_truncate,
 	.setattr	= affs_notify_change,
 };