diff --git a/flake.nix b/flake.nix
index a346864d..b04628cb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -226,7 +226,8 @@
             {
               stylix = {
                 inherit inputs;
-                paletteGenerator = self.packages.${pkgs.system}.palette-generator;
+                paletteGenerator =
+                  self.packages.${pkgs.stdenv.hostPlatform.system}.palette-generator;
                 base16 = base16.lib args;
                 homeManagerIntegration.module = self.homeManagerModules.stylix;
               };
@@ -242,7 +243,8 @@
             {
               stylix = {
                 inherit inputs;
-                paletteGenerator = self.packages.${pkgs.system}.palette-generator;
+                paletteGenerator =
+                  self.packages.${pkgs.stdenv.hostPlatform.system}.palette-generator;
                 base16 = base16.lib args;
               };
             }
@@ -257,7 +259,8 @@
             {
               stylix = {
                 inherit inputs;
-                paletteGenerator = self.packages.${pkgs.system}.palette-generator;
+                paletteGenerator =
+                  self.packages.${pkgs.stdenv.hostPlatform.system}.palette-generator;
                 base16 = base16.lib args;
                 homeManagerIntegration.module = self.homeManagerModules.stylix;
               };
@@ -272,7 +275,8 @@
             (import ./stylix/droid inputs)
             {
               stylix = {
-                paletteGenerator = self.packages.${pkgs.system}.palette-generator;
+                paletteGenerator =
+                  self.packages.${pkgs.stdenv.hostPlatform.system}.palette-generator;
                 base16 = base16.lib args;
                 homeManagerIntegration.module = self.homeManagerModules.stylix;
               };
diff --git a/modules/firefox/hm.nix b/modules/firefox/hm.nix
index 9a35013e..901d2450 100644
--- a/modules/firefox/hm.nix
+++ b/modules/firefox/hm.nix
@@ -46,7 +46,8 @@ let
       g = colors."${color}-rgb-g";
       b = colors."${color}-rgb-b";
     };
-  nur = config.stylix.inputs.nur.legacyPackages.${pkgs.system};
+  nur =
+    config.stylix.inputs.nur.legacyPackages.${pkgs.stdenv.hostPlatform.system};
 in
 {
   options.stylix.targets = lib.listToAttrs (
diff --git a/stylix/testbed.nix b/stylix/testbed.nix
index 1891b4d2..5117b17a 100644
--- a/stylix/testbed.nix
+++ b/stylix/testbed.nix
@@ -23,6 +23,8 @@ let
 
       services.getty.autologinUser = username;
 
+      nixpkgs.config.allowAliases = false;
+
       # The state version can safely track the latest release because the disk
       # image is ephemeral.
       system.stateVersion = config.system.nixos.release;