diff --git a/pkgs/development/python-modules/webauthn/default.nix b/pkgs/development/python-modules/webauthn/default.nix
index 6e08d70c787d..cd869ccff42c 100644
--- a/pkgs/development/python-modules/webauthn/default.nix
+++ b/pkgs/development/python-modules/webauthn/default.nix
@@ -41,7 +41,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Implementation of the WebAuthn API";
     homepage = "https://github.com/duo-labs/py_webauthn";
-    changelog = "https://github.com/duo-labs/py_webauthn/blob/v${version}/CHANGELOG.md";
+    changelog = "https://github.com/duo-labs/py_webauthn/blob/${src.tag}/CHANGELOG.md";
     license = licenses.bsd3;
     maintainers = [ ];
   };