diff --git a/justfile b/justfile
index 0662821..de872b4 100644
--- a/justfile
+++ b/justfile
@@ -1,6 +1,9 @@
 default:
   just -l
 
+# Build the system and diff
+build:
+  nixos-rebuild build --flake . && nvd diff /run/current-system ./result
 # Update all flake inputs
 update:
   nix flake update --commit-lock-file