diff --git a/.guix/modules/tiedote-md-package.scm b/.guix/modules/tiedote-md-package.scm
index c12f9f8..0b074db 100644
--- a/.guix/modules/tiedote-md-package.scm
+++ b/.guix/modules/tiedote-md-package.scm
@@ -47,11 +47,11 @@
        #:phases
        #~(modify-phases %standard-phases
            (add-after 'install 'wrap-binaries
-             (lambda _
+             (lambda* (#:key inputs #:allow-other-keys)
                (wrap-program
                  (string-append #$output "/bin/tiedote.md")
-                 `("PATH" prefix (,(string-append #$(this-package-input "git") "/bin")
-                                  ,(string-append #$(this-package-input "go-github-com-aymerick-douceur")
+                 `("PATH" prefix (,(string-append (assoc-ref inputs "git") "/bin")
+                                  ,(string-append (assoc-ref inputs "go-github-com-aymerick-douceur")
                                                   "/bin")))))))))
     (home-page "https://git.olarinmaensamoojat.fi/OMS/tiedote.md")
     (synopsis "Git- ja markdown-pohjainen masssasähköpostijärjestelmä OMS:lle")