diff --git a/configuration/nix-options.nix b/configuration/nix-options.nix
index 29d6c87..f8a7d8d 100644
--- a/configuration/nix-options.nix
+++ b/configuration/nix-options.nix
@@ -27,4 +27,12 @@ in
       options = "--delete-older-than 7d";
     };
   };
+
+  # Affichage des modifications de profil (maj/ajout/suppression) dans le terminal
+  system.activationScripts.diff = {
+    supportsDryActivation = true;
+    text = ''
+      ${pkgs.nvd}/bin/nvd --nix-bin-dir=${pkgs.nix}/bin diff /run/current-system "$systemConfig"
+    '';
+  };
 }