diff --git a/pkgs/development/python-modules/drf-writable-nested/default.nix b/pkgs/development/python-modules/drf-writable-nested/default.nix
index 227fad5b5b04..966e07b48e2a 100644
--- a/pkgs/development/python-modules/drf-writable-nested/default.nix
+++ b/pkgs/development/python-modules/drf-writable-nested/default.nix
@@ -8,7 +8,7 @@
   pytest-django,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "drf-writable-nested";
   version = "0.7.2";
   format = "setuptools";
@@ -16,7 +16,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "beda-software";
     repo = "drf-writable-nested";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-VkQ3Di3vXxQAmvuMP8KpGVVdx7LMYcQFEF4ZsuA9KeA=";
   };
 
@@ -36,4 +36,4 @@ buildPythonPackage rec {
     license = lib.licenses.bsd2;
     maintainers = with lib.maintainers; [ ambroisie ];
   };
-}
+})