diff --git a/lib/internal/structured_clone.js b/lib/internal/structured_clone.js
index 1d5d0ed511c9cc..2ee9517284ab6e 100644
--- a/lib/internal/structured_clone.js
+++ b/lib/internal/structured_clone.js
@@ -6,13 +6,13 @@ const {
 } = require('internal/worker/io');
 
 let channel;
-function structuredClone(value, transfer) {
+function structuredClone(value, options = undefined) {
   // TODO: Improve this with a more efficient solution that avoids
   // instantiating a MessageChannel
   channel ??= new MessageChannel();
   channel.port1.unref();
   channel.port2.unref();
-  channel.port1.postMessage(value, transfer);
+  channel.port1.postMessage(value, options?.transfer);
   return receiveMessageOnPort(channel.port2).message;
 }