diff --git a/pkgs/development/python-modules/busylight-core/default.nix b/pkgs/development/python-modules/busylight-core/default.nix
index 0620ff75e92b..be098b691e4f 100644
--- a/pkgs/development/python-modules/busylight-core/default.nix
+++ b/pkgs/development/python-modules/busylight-core/default.nix
@@ -10,7 +10,7 @@
   uv-build,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "busylight-core";
   version = "2.2.0";
   pyproject = true;
@@ -18,7 +18,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "JnyJny";
     repo = "busylight-core";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-as2IvaxyMjGKPGlBmz1cntAhbpuW+f3INtnNIcwpWh8=";
   };
 
@@ -45,8 +45,8 @@ buildPythonPackage rec {
   meta = {
     description = "Library for interacting programmatically with USB-connected LED lights";
     homepage = "https://github.com/JnyJny/busylight-core";
-    changelog = "https://github.com/JnyJny/busylight-core/blob/${src.tag}/CHANGELOG.md";
+    changelog = "https://github.com/JnyJny/busylight-core/blob/${finalAttrs.src.tag}/CHANGELOG.md";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})