diff --git a/pkgs/development/python-modules/ctap-keyring-device/default.nix b/pkgs/development/python-modules/ctap-keyring-device/default.nix
index 6406440aa963..ca2f9e4256ca 100644
--- a/pkgs/development/python-modules/ctap-keyring-device/default.nix
+++ b/pkgs/development/python-modules/ctap-keyring-device/default.nix
@@ -14,6 +14,7 @@
 let
   fido2_0 = fido2.overridePythonAttrs (oldAttrs: rec {
     version = "0.9.3";
+    format = "setuptools";
     src = fetchPypi {
       inherit (oldAttrs) pname;
       inherit version;