diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index 4297331ff4..e97f81f5e7 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -1828,7 +1828,7 @@ (define-public emacs-build-farm
               (uri (git-reference
                     (url "https://notabug.org/alezost/emacs-build-farm.git")
                     (commit (string-append "v" version))))
-              (file-name (string-append name "-" version "-checkout"))
+              (file-name (git-file-name name version))
               (sha256
                (base32
                 "0i0bwbav5861j2y15j9nd5m9rdqg9q97zgcbld8pivr9nyxy63lz"))))