diff --git a/pkgs/development/python-modules/lupa/default.nix b/pkgs/development/python-modules/lupa/default.nix
index 95040a53ff96..0a0b6c217452 100644
--- a/pkgs/development/python-modules/lupa/default.nix
+++ b/pkgs/development/python-modules/lupa/default.nix
@@ -6,13 +6,13 @@
   setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "lupa";
   version = "2.7";
   pyproject = true;
 
   src = fetchPypi {
-    inherit pname version;
+    inherit (finalAttrs) pname version;
     hash = "sha256-c6ZM5dyM2Vt1ozDBUT5G4JjUD87tP+pRbAn2WV6t6Ik=";
   };
 
@@ -26,8 +26,8 @@ buildPythonPackage rec {
   meta = {
     description = "Lua in Python";
     homepage = "https://github.com/scoder/lupa";
-    changelog = "https://github.com/scoder/lupa/blob/lupa-${version}/CHANGES.rst";
+    changelog = "https://github.com/scoder/lupa/blob/lupa-${finalAttrs.version}/CHANGES.rst";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})