diff --git a/fs/libfs.c b/fs/libfs.c
index f86ec27..ebd03f6 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -53,7 +53,7 @@
  * Lookup the data. This is trivial - if the dentry didn't already
  * exist, we know it is negative.  Set d_op to delete negative dentries.
  */
-struct dentry *simple_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
+struct dentry *simple_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
 {
 	static const struct dentry_operations simple_dentry_operations = {
 		.d_delete = simple_delete_dentry,