diff --git a/modules/_home/default.nix b/modules/_home/default.nix
index 5ba328b..309cc6b 100644
--- a/modules/_home/default.nix
+++ b/modules/_home/default.nix
@@ -1,7 +1,7 @@
 { inputs, pkgs, ... }:
 let
-  claude-code    = inputs.claude-code.packages.${pkgs.system}.default;
-  pkgs-unstable  = inputs.nixpkgs-unstable.legacyPackages.${pkgs.system};
+  claude-code    = inputs.claude-code.packages.${pkgs.stdenv.hostPlatform.system}.default;
+  pkgs-unstable  = inputs.nixpkgs-unstable.legacyPackages.${pkgs.stdenv.hostPlatform.system};
 in {
   home.packages = with pkgs; [
     firefox
diff --git a/modules/creative.nix b/modules/creative.nix
index 84bdc4b..5c4da02 100644
--- a/modules/creative.nix
+++ b/modules/creative.nix
@@ -2,7 +2,7 @@
   den.aspects.creative.nixos = { pkgs, ... }:
   let
     pkgs-unstable = import inputs.nixpkgs-unstable {
-      system = pkgs.system;
+      system = pkgs.stdenv.hostPlatform.system;
       config.allowUnfree = true;
     };
   in {
diff --git a/modules/niri.nix b/modules/niri.nix
index 52b7fa8..f2bc5bf 100644
--- a/modules/niri.nix
+++ b/modules/niri.nix
@@ -1,7 +1,7 @@
 { inputs, den, pkgs, ... }: {
   den.aspects.niri.nixos = { pkgs, ... }:
   let
-    quickshell-niri = inputs.qml-niri.packages.${pkgs.system}.quickshell;
+    quickshell-niri = inputs.qml-niri.packages.${pkgs.stdenv.hostPlatform.system}.quickshell;
   in {
     imports = [ inputs.niri-flake.nixosModules.niri ];