diff --git a/pkgs/development/python-modules/btrfs/default.nix b/pkgs/development/python-modules/btrfs/default.nix
index 88bbf17fdbfe..43e78700ea3f 100644
--- a/pkgs/development/python-modules/btrfs/default.nix
+++ b/pkgs/development/python-modules/btrfs/default.nix
@@ -5,13 +5,13 @@
   setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "btrfs";
   version = "15";
   pyproject = true;
 
   src = fetchPypi {
-    inherit pname version;
+    inherit (finalAttrs) pname version;
     hash = "sha256-FBmRT/FB3+nhb9BHfZVI1L6nM+zXdYjoy3JVzhetoQs=";
   };
 
@@ -31,4 +31,4 @@ buildPythonPackage rec {
       Luflosi
     ];
   };
-}
+})