diff --git a/pkgs/development/python-modules/fake-useragent/default.nix b/pkgs/development/python-modules/fake-useragent/default.nix
index 917cee145a59..8a4d918a6e09 100644
--- a/pkgs/development/python-modules/fake-useragent/default.nix
+++ b/pkgs/development/python-modules/fake-useragent/default.nix
@@ -11,7 +11,7 @@
 buildPythonPackage rec {
   pname = "fake-useragent";
   version = "1.4.0";
-  format = "pyproject";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";