diff --git a/ocaml-cppo.spec b/ocaml-cppo.spec
index 1399274..eb9a878 100644
--- a/ocaml-cppo.spec
+++ b/ocaml-cppo.spec
@@ -8,7 +8,8 @@ Summary:        Equivalent of the C preprocessor for OCaml programs
 
 License:        BSD-3-Clause
 URL:            https://ocaml-community.github.io/cppo/
-Source0:        https://github.com/ocaml-community/cppo/archive/v%{version}/cppo-%{version}.tar.gz
+VCS:            https://github.com/ocaml-community/cppo
+Source0:        %{vcs}/archive/v%{version}/cppo-%{version}.tar.gz
 
 BuildRequires:  ocaml >= 4.02.3
 BuildRequires:  ocaml-dune