diff --git a/pkgs/development/python-modules/tplink-omada-client/default.nix b/pkgs/development/python-modules/tplink-omada-client/default.nix
index f86bfe0e12b2..d71d2c86194f 100644
--- a/pkgs/development/python-modules/tplink-omada-client/default.nix
+++ b/pkgs/development/python-modules/tplink-omada-client/default.nix
@@ -11,7 +11,7 @@
 buildPythonPackage rec {
   pname = "tplink-omada-client";
   version = "1.3.11";
-  format = "pyproject";
+  pyproject = true;
 
   disabled = pythonOlder "3.9";