diff --git a/nixos-anywhere/flake.nix b/nixos-anywhere/flake.nix
index c3dd7e8..f31fadd 100644
--- a/nixos-anywhere/flake.nix
+++ b/nixos-anywhere/flake.nix
@@ -5,23 +5,23 @@
 
   outputs = { nixpkgs, disko, ... }: {
     nixosConfigurations.fred = nixpkgs.lib.nixosSystem {
-      system = "x86_64-linux";
+      stdenv.hostPlatform.system = "x86_64-linux";
       modules = [ disko.nixosModules.disko ./configuration.nix ];
     };
     nixosConfigurations.book = nixpkgs.lib.nixosSystem {
-      system = "x86_64-linux";
+      stdenv.hostPlatform.system = "x86_64-linux";
       modules = [ disko.nixosModules.disko ./configuration.nix ];
     };
     nixosConfigurations.t2 = nixpkgs.lib.nixosSystem {
-      system = "aarch64-linux";
+      stdenv.hostPlatform.system = "aarch64-linux";
       modules = [ disko.nixosModules.disko ./configuration.nix ];
     };
     nixosConfigurations.vm = nixpkgs.lib.nixosSystem {
-      system = "x86_64-linux";
+      stdenv.hostPlatform.system = "x86_64-linux";
       modules = [ disko.nixosModules.disko ./configuration-vm.nix ];
     };
     nixosConfigurations.w2 = nixpkgs.lib.nixosSystem {
-      system = "x86_64-linux";
+      stdenv.hostPlatform.system = "x86_64-linux";
       modules = [ disko.nixosModules.disko ./configuration-vps.nix ];
     };
   };