npm2nix creates broken node-packages.nix

gistfile1.txt

npm2nix pkgs/top-level/node-packages.json  pkgs/top-level/node-packages.nix

  nodePackages = recurseIntoAttrs (import ./node-packages.nix {
    inherit pkgs stdenv nodejs fetchurl fetchgit;
    neededNatives = [python] ++ lib.optional (lib.elem system lib.platforms.linux) utillinux;
    self = pkgs.nodePackages;
  });


diff --git a/pkgs/top-level/node-packages.nix b/pkgs/top-level/node-packages.nix
index 448904c..180e134 100644
--- a/pkgs/top-level/node-packages.nix
+++ b/pkgs/top-level/node-packages.nix
@@ -1,31 +1,22723 @@
-{ pkgs, stdenv, nodejs, fetchurl, fetchgit, neededNatives, self, generated ? ./node-packages-generated.nix }:
+{ self, fetchurl, fetchgit ? null, lib }:
 
-rec {
-  nativeDeps = {
-    "node-expat" = [ pkgs.expat ];
-    "rbytes" = [ pkgs.openssl ];
-    "phantomjs" = [ pkgs.phantomjs ];
-    "node-protobuf" = [ pkgs.protobuf ];
+{
+  by-spec."Base64"."~0.2.0" =
+    self.by-version."Base64"."0.2.1";
+  by-version."Base64"."0.2.1" = lib.makeOverridable self.buildNodePackage {
+    name = "node-Base64-0.2.1";
+    src = [
+      (fetchurl {
+        url = "http://registry.npmjs.org/Base64/-/Base64-0.2.1.tgz";
+        name = "Base64-0.2.1.tgz";
+        sha1 = "ba3a4230708e186705065e66babdd4c35cf60028";
+      })
+    ];
+    buildInputs =
+      (self.nativeDeps."Base64" or []);
+    deps = [
+    ];
+    peerDependencies = [
+    ];
+    passthru.names = [ "Base64" ];
   };

npm2nix --version
5.6.0

nixos-version 
14.10pre-43c6017M (Caterpillar)