1 files changed, 6 insertions, 6 deletions
diff --git a/pkgs/development/ocaml-modules/odn/default.nix b/pkgs/development/ocaml-modules/odn/default.nix
index 5f72afcf766..bfffb67d4b0 100644
--- a/pkgs/development/ocaml-modules/odn/default.nix
+++ b/pkgs/development/ocaml-modules/odn/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, ocaml, findlib, ocaml_typeconv, ounit}:
+{stdenv, fetchurl, ocaml, findlib, ocaml_typeconv, ounit, camlp4}:
 
 stdenv.mkDerivation {
   name = "ocaml-data-notation-0.0.11";
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "09a8zdyifpc2nl4hdvg9206142y31cq95ajgij011s1qcg3z93lj";
   };
 
-  buildInputs = [ocaml findlib ocaml_typeconv ounit];
+  buildInputs = [ocaml findlib ocaml_typeconv ounit camlp4];
 
   createFindlibDestdir = true;
 
@@ -16,13 +16,13 @@ stdenv.mkDerivation {
   buildPhase     = "ocaml setup.ml -build";
   installPhase   = "ocaml setup.ml -install";
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "Store data using OCaml notation";
     homepage = https://forge.ocamlcore.org/projects/odn/;
-    license = stdenv.lib.licenses.lgpl21;
+    license = licenses.lgpl21;
     platforms = ocaml.meta.platforms;
-    maintainers = with stdenv.lib.maintainers; [
-      z77z
+    maintainers = with maintainers; [
+      vbgl z77z
     ];
   };
 }