diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index 2e01a8f41d..9e7dcc6cf9 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -13706,6 +13706,7 @@ (define-public emacs-vala-mode
          (uri (git-reference
                (url "https://github.com/rrthomas/vala-mode")
                (commit commit)))
+         (file-name (git-file-name name version))
          (sha256
           (base32 "0g5pdq757z9d8rk489n5ilhqipdc4i4sfkjwwrxyvgjlapjc04c0"))))
       (build-system emacs-build-system)