diff --git a/.justfile b/.justfile
index 8d0afb9..c03f8d8 100644
--- a/.justfile
+++ b/.justfile
@@ -30,7 +30,7 @@ update-input input:
 alias build := build-nixos
 # Build a NixOS configuration
 build-nixos host=`hostname`:
-    nixos-rebuild build --flake .#{{host}}
+    nom build .#nixosConfigurations.{{host}}.config.system.build.toplevel
 
 # nix-diff with some parameters piped to less
 nix-diff left right:
diff --git a/flake.nix b/flake.nix
index 0b503c5..a233781 100644
--- a/flake.nix
+++ b/flake.nix
@@ -104,6 +104,7 @@
           packages = with nixpkgs.legacyPackages.x86_64-linux; [
             agenix.packages.x86_64-linux.default
             git
+            nix-output-monitor
             nix-diff
             just
             alejandra