diff --git a/pkgs/development/ocaml-modules/domain-name/default.nix b/pkgs/development/ocaml-modules/domain-name/default.nix
index cb0105ff46fa..a34c06aa8ee1 100644
--- a/pkgs/development/ocaml-modules/domain-name/default.nix
+++ b/pkgs/development/ocaml-modules/domain-name/default.nix
@@ -7,6 +7,8 @@ buildDunePackage rec {
   pname = "domain-name";
   version = "0.3.0";
 
+  useDune2 = true;
+
   src = fetchurl {
     url = "https://github.com/hannesm/domain-name/releases/download/v${version}/domain-name-v${version}.tbz";
     sha256 = "12kc9p2a2fi1ipc2hyhbzivxpph3npglxwdgvhd6v20rqqdyvnad";
@@ -14,7 +16,7 @@ buildDunePackage rec {
 
   minimumOCamlVersion = "4.03";
 
-  buildInputs = [ alcotest ];
+  checkInputs = [ alcotest ];
 
   propagatedBuildInputs = [ astring fmt ];