diff --git a/nixos/tests/avahi.nix b/nixos/tests/avahi.nix
index 66cff3009f7dea..c1a9114a40f6f3 100644
--- a/nixos/tests/avahi.nix
+++ b/nixos/tests/avahi.nix
@@ -2,10 +2,11 @@
 , config ? {}
 , pkgs ? import ../.. { inherit system config; }
 # bool: whether to use networkd in the tests
-, networkd ? false }:
+, networkd ? false
+} @ args:
 
 # Test whether `avahi-daemon' and `libnss-mdns' work as expected.
-import ./make-test-python.nix ({ ... } : {
+import ./make-test-python.nix {
   name = "avahi";
   meta = with pkgs.stdenv.lib.maintainers; {
     maintainers = [ eelco ];
@@ -75,4 +76,4 @@ import ./make-test-python.nix ({ ... } : {
     two.succeed("avahi-browse -r -t _ssh._tcp | tee out >&2")
     two.succeed("test `wc -l < out` -gt 0")
   '';
-})
+} args