diff --git a/pkgs/development/python-modules/dropmqttapi/default.nix b/pkgs/development/python-modules/dropmqttapi/default.nix
index c2216180940a..351ef4d33f5e 100644
--- a/pkgs/development/python-modules/dropmqttapi/default.nix
+++ b/pkgs/development/python-modules/dropmqttapi/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     hash = "sha256-njReF9Mu5E9o5WcbK60CCBWaIhZ3tpQHHlY/iEyyHGg=";
   };
 
-  nativeBuildInputs = [
+  build-system = [
     setuptools
   ];