diff --git a/pkgs/development/python-modules/kasa-crypt/default.nix b/pkgs/development/python-modules/kasa-crypt/default.nix
index 595a8a6e6eb9..fad39f395cc2 100644
--- a/pkgs/development/python-modules/kasa-crypt/default.nix
+++ b/pkgs/development/python-modules/kasa-crypt/default.nix
@@ -41,7 +41,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Fast kasa crypt";
     homepage = "https://github.com/bdraco/kasa-crypt";
-    changelog = "https://github.com/bdraco/kasa-crypt/blob/v${version}/CHANGELOG.md";
+    changelog = "https://github.com/bdraco/kasa-crypt/blob/${src.tag}/CHANGELOG.md";
     license = licenses.asl20;
     maintainers = with maintainers; [ fab ];
   };