diff --git a/pkgs/development/python-modules/outspin/default.nix b/pkgs/development/python-modules/outspin/default.nix
index 6785689cc7ed..bddf1efb92ca 100644
--- a/pkgs/development/python-modules/outspin/default.nix
+++ b/pkgs/development/python-modules/outspin/default.nix
@@ -6,7 +6,7 @@
   pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finaAttrs: {
   pname = "outspin";
   version = "0.3.2";
   pyproject = true;
@@ -14,7 +14,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "trag1c";
     repo = "outspin";
-    tag = "v${version}";
+    tag = "v${finaAttrs.version}";
     hash = "sha256-j+J3n/p+DcfnhGfC4/NDBDl5bF39L5kIPeGJW0Zm7ls=";
   };
 
@@ -24,9 +24,9 @@ buildPythonPackage rec {
   nativeCheckInputs = [ pytestCheckHook ];
 
   meta = {
-    changelog = "https://github.com/trag1c/outspin/blob/${src.rev}/CHANGELOG.md";
+    changelog = "https://github.com/trag1c/outspin/blob/${finaAttrs.src.tag}/CHANGELOG.md";
     description = "Conveniently read single char inputs in the console";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ sigmanificient ];
   };
-}
+})