diff --git a/pkgs/development/ocaml-modules/tuntap/default.nix b/pkgs/development/ocaml-modules/tuntap/default.nix
index a4536316ba41..981f05b01e38 100644
--- a/pkgs/development/ocaml-modules/tuntap/default.nix
+++ b/pkgs/development/ocaml-modules/tuntap/default.nix
@@ -6,6 +6,8 @@ buildDunePackage rec {
   pname = "tuntap";
   version = "2.0.0";
 
+  useDune2 = true;
+
   minimumOCamlVersion = "4.04.2";
 
   src = fetchurl {