diff --git a/default.nix b/default.nix
index bd24d6b..2f5628d 100644
--- a/default.nix
+++ b/default.nix
@@ -12,10 +12,9 @@ let
 #  wsgiserver = pkgs.callPackage ./pkgs/python-modules/wsgiserver { buildPythonPackage = pkgs.python3Packages.buildPythonPackage; fetchPypi = pkgs.python3Packages.fetchPypi; };
 
 #  opencv-python-headless = pkgs.callPackage ./pkgs/python-modules/opencv-python-headless { buildPythonPackage = pkgs.python3Packages.buildPythonPackage; fetchPypi = pkgs.python3Packages.fetchPypi; };
-#  pylzma = pkgs.callPackage ./pkgs/python-modules/pylzma { buildPythonPackage = pkgs.python3Packages.buildPythonPackage; fetchPypi = pkgs.python3Packages.fetchPypi; };
 #  python-mpv = pkgs.callPackage ./pkgs/python-modules/python-mpv { buildPythonPackage = pkgs.python3Packages.buildPythonPackage; fetchPypi = pkgs.python3Packages.fetchPypi; };
 in 
-{
+rec {
   # The `lib`, `modules`, and `overlay` names are special
   lib = import ./lib { inherit pkgs; }; # functions
   modules = import ./modules; # NixOS modules
@@ -43,6 +42,7 @@ in
   # radical-native = pkgs.callPackage ./pkgs/radical-native { };
 ##  photini = pkgs.libsForQt5.callPackage ./pkgs/photini { };
 
+  pylzma = pkgs.callPackage ./pkgs/python-modules/pylzma { buildPythonPackage = pkgs.python3Packages.buildPythonPackage; fetchPypi = pkgs.python3Packages.fetchPypi; };
   hydrus = pkgs.libsForQt5.callPackage ./pkgs/hydrus { inherit pylzma;};
 
 ###  metapixel = pkgs.callPackage ./pkgs/metapixel { };