diff --git a/pkgs/development/python-modules/whichcraft/default.nix b/pkgs/development/python-modules/whichcraft/default.nix
index b237513ef0f5..a8e78bc8ab45 100644
--- a/pkgs/development/python-modules/whichcraft/default.nix
+++ b/pkgs/development/python-modules/whichcraft/default.nix
@@ -6,13 +6,13 @@
   glibcLocales,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "whichcraft";
   version = "0.6.1";
   format = "setuptools";
 
   src = fetchPypi {
-    inherit pname version;
+    inherit (finalAttrs) pname version;
     sha256 = "11yfkzyplizdgndy34vyd5qlmr1n5mxis3a3svxmx8fnccdvknxc";
   };
 
@@ -30,4 +30,4 @@ buildPythonPackage rec {
     description = "Cross-platform cross-python shutil.which functionality";
     license = lib.licenses.bsd3;
   };
-}
+})