diff --git a/flake.nix b/flake.nix
index 2571ab2..f9f448a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -42,8 +42,10 @@
     in flake // {
       nixosConfigurations = flake.nixosConfigurations // {
         installer = inputs.nixpkgs.lib.nixosSystem {
-          inherit system;
-          modules     = [ ./installer/default.nix ];
+          modules     = [
+            ./installer/default.nix
+            { nixpkgs.hostPlatform.system = system; }
+          ];
           specialArgs = { inherit inputs; };
         };
       };
diff --git a/installer/default.nix b/installer/default.nix
index 6caa3e3..ea525df 100644
--- a/installer/default.nix
+++ b/installer/default.nix
@@ -104,7 +104,7 @@ in {
 
   environment.systemPackages = [
     installScript
-    inputs.disko.packages.${pkgs.system}.default
+    inputs.disko.packages.${pkgs.stdenv.hostPlatform.system}.default
     pkgs.git
     pkgs.age
     pkgs.sops
diff --git a/modules/core.nix b/modules/core.nix
index fdc8578..b4829c0 100644
--- a/modules/core.nix
+++ b/modules/core.nix
@@ -1,7 +1,7 @@
 { den, inputs, ... }: {
   den.aspects.core.nixos = { pkgs, ... }:
   let
-    pkgs-unstable = inputs.nixpkgs-unstable.legacyPackages.${pkgs.system};
+    pkgs-unstable = inputs.nixpkgs-unstable.legacyPackages.${pkgs.stdenv.hostPlatform.system};
   in {
     nixpkgs.config.allowUnfree = true;