diff --git a/flake.nix b/flake.nix
index 90b3d92..ea704f7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -114,19 +114,11 @@
                 nixpkgs.config.allowUnfree = true;
                 boot.loader.raspberry-pi.bootloader = "kernel";
               }
-              # nixos-raspberrypi — crée pkgs.rpi avec kernel/firmware cross-compilés
+              # nixos-raspberrypi — pkgs.rpi + overlays standardisés
               nixos-raspberrypi.nixosModules.nixpkgs-rpi
               nixos-raspberrypi.nixosModules.raspberry-pi-5.base
-              {
-                nixpkgs.overlays = [
-                  nixos-raspberrypi.overlays.bootloader
-                  nixos-raspberrypi.overlays.vendor-kernel
-                  nixos-raspberrypi.overlays.vendor-firmware
-                  nixos-raspberrypi.overlays.kernel-and-firmware
-                  nixos-raspberrypi.overlays.vendor-pkgs
-                  nixos-raspberrypi.overlays.pkgs
-                ];
-              }
+              nixos-raspberrypi.lib.inject-overlays
+              nixos-raspberrypi.lib.inject-overlays-global
               # nixos-uconsole CM5 modules
               nixos-uconsole.nixosModules.kernel
               nixos-uconsole.nixosModules.configtxt