diff --git a/gnu/packages/xdisorg.scm b/gnu/packages/xdisorg.scm
index 4f6059aa5..f42691b75 100644
--- a/gnu/packages/xdisorg.scm
+++ b/gnu/packages/xdisorg.scm
@@ -22,6 +22,7 @@
 ;;; Copyright © 2017 Marek Benc <dusxmt@gmx.com>
 ;;; Copyright © 2017 Mike Gerwitz <mtg@gnu.org>
 ;;; Copyright © 2018 Thomas Sigurdsen <tonton@riseup.net>
+;;; Copyright © 2018 Pierre Neidhardt <ambrevar@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -1473,4 +1474,4 @@ with @code{xset s TIMEOUT}).  The notifier command, if specified, is executed
 first.  Additionally, xss-lock uses the inhibition logic to lock the screen
 before the system goes to sleep.")
       (home-page "https://bitbucket.org/raymonad/xss-lock")
-      (license license:bsd-style))))
+      (license license:expat))))