diff --git a/nixos/tests/incus/container.nix b/nixos/tests/incus/container.nix
index 0e65cc1e1529..0f42d16f133d 100644
--- a/nixos/tests/incus/container.nix
+++ b/nixos/tests/incus/container.nix
@@ -1,11 +1,11 @@
-import ../make-test-python.nix ({ pkgs, lib, ... } :
+import ../make-test-python.nix ({ pkgs, lib, extra ? {}, ... } :
 
 let
   releases = import ../../release.nix {
     configuration = {
       # Building documentation makes the test unnecessarily take a longer time:
       documentation.enable = lib.mkForce false;
-    };
+    } // extra;
   };
 
   container-image-metadata = releases.lxdContainerMeta.${pkgs.stdenv.hostPlatform.system};
diff --git a/nixos/tests/incus/default.nix b/nixos/tests/incus/default.nix
index c8e53774599b..ff36fe9d6730 100644
--- a/nixos/tests/incus/default.nix
+++ b/nixos/tests/incus/default.nix
@@ -5,7 +5,11 @@
   handleTestOn,
 }:
 {
-  container = import ./container.nix { inherit system pkgs; };
+  container-old-init = import ./container.nix { inherit system pkgs; };
+  container-new-init = import ./container.nix { inherit system pkgs; extra = {
+    # Enable new systemd init
+    boot.initrd.systemd.enable = true;
+  }; };
   lxd-to-incus = import ./lxd-to-incus.nix { inherit system pkgs; };
   preseed = import ./preseed.nix { inherit system pkgs; };
   socket-activated = import ./socket-activated.nix { inherit system pkgs; };