diff --git a/pkgs/development/python-modules/clean-fid/default.nix b/pkgs/development/python-modules/clean-fid/default.nix
index 7a856f935877..ececc55ddfa5 100644
--- a/pkgs/development/python-modules/clean-fid/default.nix
+++ b/pkgs/development/python-modules/clean-fid/default.nix
@@ -19,6 +19,8 @@ buildPythonPackage {
   version = "0.1.35";
   pyproject = true;
 
+  __structuredAttrs = true;
+
   src = fetchFromGitHub {
     owner = "GaParmar";
     repo = "clean-fid";