diff --git a/flake.nix b/flake.nix
index cd2267d..2c601b3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -66,7 +66,7 @@
         };
 
         hetznix = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit specialArgs system;
 
           modules = [
             disko.nixosModules.disko
diff --git a/nix/hosts/hetznix/configuration.nix b/nix/hosts/hetznix/configuration.nix
index 51fdb46..08b5adc 100644
--- a/nix/hosts/hetznix/configuration.nix
+++ b/nix/hosts/hetznix/configuration.nix
@@ -1,4 +1,5 @@
 {
+  inputs,
   modulesPath,
   lib,
   pkgs,
@@ -16,6 +17,8 @@
     ./modules/nginx
   ];
 
+  nix.nixPath = [ "nixpkgs=${inputs.nixpkgs-2405}" ];
+
   networking.firewall.allowedTCPPorts = [
     80
     443