1 files changed, 6 insertions, 2 deletions
diff --git a/runtime/js/11_workers.js b/runtime/js/11_workers.js
index 60ea94bf4..e8e66848e 100644
--- a/runtime/js/11_workers.js
+++ b/runtime/js/11_workers.js
@@ -30,6 +30,10 @@ import {
   MessagePortPrototype,
   serializeJsMessageData,
 } from "ext:deno_web/13_message_port.js";
+const {
+  op_host_recv_ctrl,
+  op_host_recv_message,
+} = core.ensureFastOps();
 
 function createWorker(
   specifier,
@@ -58,11 +62,11 @@ function hostPostMessage(id, data) {
 }
 
 function hostRecvCtrl(id) {
-  return core.opAsync("op_host_recv_ctrl", id);
+  return op_host_recv_ctrl(id);
 }
 
 function hostRecvMessage(id) {
-  return core.opAsync("op_host_recv_message", id);
+  return op_host_recv_message(id);
 }
 
 class Worker extends EventTarget {