diff --git a/pkgs/development/python-modules/adafruit-platformdetect/default.nix b/pkgs/development/python-modules/adafruit-platformdetect/default.nix
index 96d688e31b17..672854ce6a98 100644
--- a/pkgs/development/python-modules/adafruit-platformdetect/default.nix
+++ b/pkgs/development/python-modules/adafruit-platformdetect/default.nix
@@ -8,7 +8,7 @@
 buildPythonPackage rec {
   pname = "adafruit-platformdetect";
   version = "3.57.0";
-  format = "pyproject";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";