diff --git a/pkgs/all-packages.nix b/pkgs/all-packages.nix
index 8913f52..78c1e2f 100644
--- a/pkgs/all-packages.nix
+++ b/pkgs/all-packages.nix
@@ -5,4 +5,6 @@ self: pkgs: with pkgs; {
   firedrake = callPackage ./firedrake { };
 
   meraculous = callPackage ./meraculous.nix { };
+
+  openfoam = callPackage ./openfoam.nix { };
 }
diff --git a/openfoam.nix b/pkgs/openfoam.nix
similarity index 96%
rename from openfoam.nix
rename to pkgs/openfoam.nix
index 9104495..e80db22 100644
--- a/openfoam.nix
+++ b/pkgs/openfoam.nix
@@ -1,4 +1,6 @@
-with import <nixpkgs> {};
+{ stdenv, fetchurl, makeWrapper, flex, bison
+, zlib, boost, openmpi, readline, gperftools, cgal, metis, scotch, mpfr }:
+
 
 stdenv.mkDerivation rec {
   version = "4.0";