diff --git a/pkgs/development/ocaml-modules/lwt/camlp4.nix b/pkgs/development/ocaml-modules/lwt/camlp4.nix
index e48d7cfa185a..de8252c55549 100644
--- a/pkgs/development/ocaml-modules/lwt/camlp4.nix
+++ b/pkgs/development/ocaml-modules/lwt/camlp4.nix
@@ -11,10 +11,11 @@ buildDunePackage rec {
     sha256 = "1lv8z6ljfy47yvxmwf5jrvc5d3dc90r1n291x53j161sf22ddrk9";
   };
 
-  useDune2 = false;
+  duneVersion = "1";
 
   minimalOCamlVersion = "4.02";
 
+  nativeBuildInputs = [ camlp4 ];
   propagatedBuildInputs = [ camlp4 ];
 
   preBuild = "rm META.lwt_camlp4";