diff --git a/pxe-server/configuration.nix b/pxe-server/configuration.nix
index 5a8532f..61c4bea 100644
--- a/pxe-server/configuration.nix
+++ b/pxe-server/configuration.nix
@@ -102,7 +102,11 @@ in
   # quotidien automatique ci-dessous.
   systemd.services.pxe-publish = {
     description = "Publie l'image d'installation netboot Nixos_Fleet pour le PXE";
-    path = [ config.nix.package ];
+    # git est nécessaire : nix doit fetcher l'URL git+https:// du flake.
+    path = [
+      config.nix.package
+      pkgs.git
+    ];
     script = ''
       set -euo pipefail
       kernel=$(nix build --no-link --print-out-paths "${fleetRepo}#nixosConfigurations.installer-netboot.config.system.build.kernel")