diff --git a/gnu/packages/xorg.scm b/gnu/packages/xorg.scm
index 807f4b25b9..af86c6d7f1 100644
--- a/gnu/packages/xorg.scm
+++ b/gnu/packages/xorg.scm
@@ -5980,7 +5980,7 @@ Conventions Manual) and some of the @dfn{EWMH}
              (commit (string-append "xcompmgr-" version))))
        (sha256
         (base32 "11i7vyk3pynw8q8aczpy56qncm84y0cmhlvyja3sj8dgy60g03q2"))
-       (file-name (string-append name "-" version))))
+       (file-name (git-file-name name version))))
     (build-system gnu-build-system)
     (arguments
      `(#:phases (modify-phases %standard-phases