diff --git a/flake.nix b/flake.nix
index 63a387a..aeb4b8d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,6 +15,9 @@
       systems = [ "x86_64-linux" "aarch64-linux" ];
 
       perSystem = args@{ system, pkgs, lib, config, ... }: let
+        overlayAttrs = {
+          inherit (config.packages) invoiceplane-template;
+        };
         invoiceplane-template = pkgs.stdenv.mkDerivation {
           name = "invoiceplane-template";
           src = ./.;
@@ -25,10 +28,6 @@
         };
       in {
         packages.default = invoiceplane-template;
-        packages.invoiceplane-template = invoiceplane-template;
-        overlayAttrs = {
-          inherit (config.packages) invoiceplane-template;
-        };
       };
     };
 }