diff --git a/pkgs/development/python-modules/pyobjus/default.nix b/pkgs/development/python-modules/pyobjus/default.nix
index 7ad8bd677dd1..29438e2effd4 100644
--- a/pkgs/development/python-modules/pyobjus/default.nix
+++ b/pkgs/development/python-modules/pyobjus/default.nix
@@ -18,7 +18,7 @@ buildPythonPackage (finalAttrs: {
   pname = "pyobjus";
   version = "1.2.4";
   pyproject = true;
-  __structureAttrs = true;
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "kivy";