diff --git a/atau-wallpapers/default.nix b/atau-wallpapers/default.nix
index ad0c96b..50d4615 100644
--- a/atau-wallpapers/default.nix
+++ b/atau-wallpapers/default.nix
@@ -1,6 +1,6 @@
-{ stdenv }:
+{ lib, stdenv }:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "atau-wallpapers";
   pname = name;
   version = "1.0.0";
@@ -8,8 +8,12 @@ stdenv.mkDerivation {
   src = ./assets;
 
   installPhase = ''
+    runHook preInstall
+  
     mkdir -p "$out/share/backgrounds/atau-wallpapers"
-    mv assets/* "$out/share/backgrounds/atau-wallpapers"
+    mv * "$out/share/backgrounds/atau-wallpapers/"
+
+    runHook postInstall
   '';
 
   meta = with lib; {
diff --git a/flake.nix b/flake.nix
index 8cbd0ce..28994e7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,17 +8,12 @@
     flake-utils.lib.eachDefaultSystem (system:
       let pkgs = nixpkgs.legacyPackages.${system};
       in {
-        defaultPackage = pkgs.callPackage ./atau-wallpapers/default.nix { };
+        packages = rec {
+          atau-wallpapers = pkgs.callPackage ./atau-wallpapers/default.nix { };
+          theme-platinum9 = pkgs.callPackage ./theme-platinum9/default.nix { };
+
+          default = theme-platinum9;
+        };
       }
     );
-
-  # overlay = final: prev: {
-  #   theme-platinum9 = with final; final.callPackage ./theme-platinum9 { };
-  #   atau-wallpapers = with final; final.callPackage ./atau-wallpapers { };
-  # };
-
-  # packages.x86_64-linux.default = (import nixpkgs {
-  #   system = "x86_64-linux";
-  #   overlays = [ self.overlay ];
-  # });
 }
diff --git a/theme-platinum9/default.nix b/theme-platinum9/default.nix
index 9c7a3f1..65a8195 100644
--- a/theme-platinum9/default.nix
+++ b/theme-platinum9/default.nix
@@ -1,13 +1,13 @@
-{ stdenv }:
+{ lib, stdenv }:
 
-stdenv.mkDerivation {
-  pname = "theme-platinum9";
+stdenv.mkDerivation rec {
   name = "theme-platinum9";
+  pname = name;
   version = "d3d2080c1a2d5772714d089d1dc1daeeb41db008";
 
   src = fetchGit {
     url = "https://git.atauno.com/atau/Platinum9.git";
-    rev = theme-platinum9.version;
+    rev = version;
   };
 
   installPhase = ''