diff --git a/contrib/package/nix/copyparty/default.nix b/contrib/package/nix/copyparty/default.nix
index a70375f3..5cc079b2 100644
--- a/contrib/package/nix/copyparty/default.nix
+++ b/contrib/package/nix/copyparty/default.nix
@@ -81,7 +81,7 @@ buildPythonApplication {
     ++ lib.optional withBasicAudioMetadata mutagen
     ++ lib.optional withHashedPasswords argon2-cffi
     ++ lib.optional withZeroMQ pyzmq
-    ++ (extraPythonPackages python.packages);
+    ++ (extraPythonPackages python.pkgs);
   makeWrapperArgs = [ "--prefix PATH : ${lib.makeBinPath runtimeDeps}" ];
 
   pyproject = true;