diff --git a/lib/lisp/std/std.lisp b/lib/lisp/std/std.lisp
index a199516..dfd70a2 100644
--- a/lib/lisp/std/std.lisp
+++ b/lib/lisp/std/std.lisp
@@ -71,3 +71,4 @@
   (funcall let- bindings body))
 
 (load "list-functions.lisp")
+(load "oop.lisp")