diff --git a/modules/nixos/system/nix/default.nix b/modules/nixos/system/nix/default.nix
index d45e7ad..8773afa 100644
--- a/modules/nixos/system/nix/default.nix
+++ b/modules/nixos/system/nix/default.nix
@@ -28,6 +28,9 @@ in
   config = lib.mkMerge [
     {
       nix = {
+        # Use Lix in place of Nix
+        package = inputs.lix.packages.${system}.default;
+
         # Ensure we can still build when secondary caches are unavailable
         extraOptions = ''
           fallback = true