diff --git a/apps/login/src/ui/RegisterPasskey.tsx b/apps/login/src/ui/RegisterPasskey.tsx
index c3b62b557df..6b231dcb23a 100644
--- a/apps/login/src/ui/RegisterPasskey.tsx
+++ b/apps/login/src/ui/RegisterPasskey.tsx
@@ -92,9 +92,11 @@ export default function RegisterPasskey({
     return submitRegister().then((resp: RegisterPasskeyResponse) => {
       const passkeyId = resp.passkeyId;
       const options: CredentialCreationOptions =
-        (resp.publicKeyCredentialCreationOptions?.toJson() as CredentialCreationOptions) ??
+        (resp.publicKeyCredentialCreationOptions as CredentialCreationOptions) ??
         {};
 
+      console.log(options);
+
       if (options?.publicKey) {
         options.publicKey.challenge = coerceToArrayBuffer(
           options.publicKey.challenge,