diff --git a/pkgs/development/python-modules/pytouchline-extended/default.nix b/pkgs/development/python-modules/pytouchline-extended/default.nix
index 253d59759187..699625b5682d 100644
--- a/pkgs/development/python-modules/pytouchline-extended/default.nix
+++ b/pkgs/development/python-modules/pytouchline-extended/default.nix
@@ -9,7 +9,7 @@
   setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "pytouchline-extended";
   version = "1.1.2";
   pyproject = true;
@@ -17,13 +17,13 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "brondum";
     repo = "pytouchline";
-    tag = version;
+    tag = finalAttrs.version;
     hash = "sha256-sIrHvC+IkJWgNksgS5lB4IFP37xggVypMLmGjjLlaVQ=";
   };
 
   postPatch = ''
     substituteInPlace setup.py \
-      --replace-fail '$GITHUB_REF_NAME' '${version}'
+      --replace-fail '$GITHUB_REF_NAME' '${finalAttrs.version}'
   '';
 
   build-system = [ setuptools ];
@@ -41,10 +41,10 @@ buildPythonPackage rec {
   ];
 
   meta = {
-    changelog = "https://github.com/brondum/pytouchline/releases/tag/${src.tag}";
+    changelog = "https://github.com/brondum/pytouchline/releases/tag/${finalAttrs.src.tag}";
     description = "Roth Touchline interface library";
     homepage = "https://github.com/brondum/pytouchline";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ dotlambda ];
   };
-}
+})