diff --git a/lisp/play/pong.el b/lisp/play/pong.el
index 6f07b043495..3bec8904c06 100644
--- a/lisp/play/pong.el
+++ b/lisp/play/pong.el
@@ -2,7 +2,7 @@
 
 ;; Copyright 1999, 2000 by Free Software Foundation, Inc.
 
-;; Author: Benjamin Drieu
+;; Author: Benjamin Drieu <drieu@bocal.cs.univ-paris8.fr>
 ;; Keywords: games
 
 ;; This file is part of GNU Emacs.