diff --git a/gnu/packages/gnome.scm b/gnu/packages/gnome.scm
index 68183eb553..c1c73f0f74 100644
--- a/gnu/packages/gnome.scm
+++ b/gnu/packages/gnome.scm
@@ -11,7 +11,7 @@
 ;;; Copyright © 2015, 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2015, 2016, 2017 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2015 David Thompson <davet@gnu.org>
-;;; Copyright © 2015, 2016 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2015, 2016, 2017 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2016, 2017 Rene Saavedra <rennes@openmailbox.org>
 ;;; Copyright © 2016 Jochem Raat <jchmrt@riseup.net>
 ;;; Copyright © 2016 Kei Kebreau <kei@openmailbox.org>
@@ -5449,6 +5449,7 @@ (define-public byzanz
                 (uri (git-reference
                       (url "git://git.gnome.org/byzanz")
                       (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
                 (sha256
                  (base32
                   "1l60myzxf9cav27v5v3nsijlslz9r7ip6d5kiirfpkf9k0w26hz3"))))