diff --git a/modules/iso.nix b/modules/iso.nix
index a41968d..2db545e 100644
--- a/modules/iso.nix
+++ b/modules/iso.nix
@@ -8,6 +8,8 @@
     <nixpkgs/nixos/modules/installer/cd-dvd/channel.nix>
   ];
 
+  isoImage.squashfsCompression = "zstd";
+
   users.users.root.openssh.authorizedKeys.keys = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFyGaBZIZYjiBhOFD2drvG316B9NUVSbMpTIhOCQur8P arch" ];
 
   users.defaultUserShell = pkgs.zsh;
@@ -23,6 +25,7 @@
   programs = {
     zsh = import ./zsh.nix;
     vim.defaultEditor = true;
+    vim.enable = true;
   };
 
   environment.systemPackages = with pkgs; [