1 files changed, 8 insertions, 2 deletions
diff --git a/pkgs/development/ocaml-modules/eliom/default.nix b/pkgs/development/ocaml-modules/eliom/default.nix
index 69ac628d201..e3af173edc9 100644
--- a/pkgs/development/ocaml-modules/eliom/default.nix
+++ b/pkgs/development/ocaml-modules/eliom/default.nix
@@ -6,6 +6,7 @@
 , ocaml
 , lwt_react
 , opaline
+, ocamlbuild
 , ppx_deriving
 , findlib
 , js_of_ocaml-ocamlbuild
@@ -28,13 +29,16 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-VNxzpVpXEGlixyjadbW0GjL83jcKV5TWd46UReNYO6w=";
   };
 
-  buildInputs = [
+  nativeBuildInputs = [
     ocaml
     which
     findlib
+    opaline
+    ocamlbuild
+  ];
+  buildInputs = [
     js_of_ocaml-ocamlbuild
     js_of_ocaml-ppx_deriving_json
-    opaline
     ocamlnet
   ];
 
@@ -48,6 +52,8 @@ stdenv.mkDerivation rec {
     ppx_deriving
   ];
 
+  strictDeps = true;
+
   installPhase = "opaline -prefix $out -libdir $OCAMLFIND_DESTDIR";
 
   setupHook = [ ./setup-hook.sh ];