diff --git a/pkgs/development/python-modules/asyncstdlib/default.nix b/pkgs/development/python-modules/asyncstdlib/default.nix
index 3833c868f9c8..c31beceb1496 100644
--- a/pkgs/development/python-modules/asyncstdlib/default.nix
+++ b/pkgs/development/python-modules/asyncstdlib/default.nix
@@ -20,7 +20,7 @@ buildPythonPackage rec {
     hash = "sha256-5DQM8m3aeCZAXOi+Rm+iM409juBBYdZDNqBAbhyTm/M=";
   };
 
-  nativeBuildInputs = [
+  build-system = [
     flit-core
   ];