diff --git a/config.nix b/config.nix
index ddda92f..395bf51 100644
--- a/config.nix
+++ b/config.nix
@@ -117,7 +117,7 @@ let
             'build')   nix-build --no-out-link '<nixpkgs>' -A nixdarwin.toplevel "$@" ;;
             'repl')    nix-repl "$HOME/.nixpkgs/config.nix" "$@" ;;
             'shell')   nix-shell '<nixpkgs>' -p nixdarwin.toplevel --run '${pkgs.lnl.zsh}/bin/zsh -l' "$@" ;;
-            'switch')  nix-env -f '<nixpkgs>' -iA nixdarwin.toplevel "$@" && nix-shell '<nixpkgs>' -A nixdarwin.toplevel --run 'sudo $out/activate' && exec ${pkgs.lnl.zsh}/bin/zsh -l ;;
+            'switch')  sudo nix-env --profile /nix/var/nix/profiles/system --set $(nix-build --no-out-link '<nixpkgs>' -A nixdarwin.toplevel) && nix-shell '<nixpkgs>' -A nixdarwin.toplevel --run 'sudo $out/activate' && exec ${pkgs.lnl.zsh}/bin/zsh -l ;;
           esac
         }