diff --git a/nixos/tests/ndppd.nix b/nixos/tests/ndppd.nix
index 6a6f602726de..b67b26a79341 100644
--- a/nixos/tests/ndppd.nix
+++ b/nixos/tests/ndppd.nix
@@ -1,4 +1,4 @@
-import ./make-test.nix ({ pkgs, lib, ...} : {
+import ./make-test-python.nix ({ pkgs, lib, ...} : {
   name = "ndppd";
   meta = with pkgs.stdenv.lib.maintainers; {
     maintainers = [ fpletz ];
@@ -52,9 +52,9 @@ import ./make-test.nix ({ pkgs, lib, ...} : {
   };
 
   testScript = ''
-    startAll;
-    $server->waitForUnit("multi-user.target");
-    $upstream->waitForUnit("multi-user.target");
-    $upstream->waitUntilSucceeds("ping -c5 fd42::2");
+    start_all()
+    server.wait_for_unit("multi-user.target")
+    upstream.wait_for_unit("multi-user.target")
+    upstream.wait_until_succeeds("ping -c5 fd42::2")
   '';
 })