diff --git a/gnu/packages/mpd.scm b/gnu/packages/mpd.scm
index b9da295567a..de5a7d34e7b 100644
--- a/gnu/packages/mpd.scm
+++ b/gnu/packages/mpd.scm
@@ -7,7 +7,7 @@
 ;;; Copyright © 2016, 2018, 2019, 2020 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2018–2021 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2019 Evan Straw <evan.straw99@gmail.com>
-;;; Copyright © 2020 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2020, 2021 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2020 Lars-Dominik Braun <lars@6xq.net>
 ;;; Copyright © 2020, 2021 Simon Streit <simon@netpanic.org>
 ;;; Copyright © 2021 Noah Evans <noah@nevans.me>
@@ -506,9 +506,8 @@ artists along with albumart.")
              (let ((prog (string-append (assoc-ref outputs "out")
                                         "/bin/mcg")))
                (wrap-program prog
-                 `("PYTHONPATH" = (,(getenv "PYTHONPATH")))
-                 `("GI_TYPELIB_PATH" = (,(getenv "GI_TYPELIB_PATH"))))
-               #t)))
+                 `("GUIX_PYTHONPATH" = (,(getenv "GUIX_PYTHONPATH")))
+                 `("GI_TYPELIB_PATH" = (,(getenv "GI_TYPELIB_PATH")))))))
          (add-after 'wrap-program 'glib-or-gtk-wrap
            (assoc-ref glib-or-gtk:%standard-phases 'glib-or-gtk-wrap)))))
     (synopsis "Covergrid for the MPD")