diff --git a/test/parallel/test-worker-event.js b/test/parallel/test-worker-event.js
index 9d6056e1091468..01e95ead8316cb 100644
--- a/test/parallel/test-worker-event.js
+++ b/test/parallel/test-worker-event.js
@@ -4,10 +4,11 @@ const common = require('../common');
 const assert = require('assert');
 const {
   Worker,
+  threadId: parentThreadId,
 } = require('worker_threads');
 
 process.on('worker', common.mustCall(({ threadId }) => {
-  assert.strictEqual(threadId, 1);
+  assert.strictEqual(threadId, parentThreadId + 1);
 }));
 
 new Worker('', { eval: true });
diff --git a/tools/doc/type-parser.mjs b/tools/doc/type-parser.mjs
index 3feac3b211c749..090a6820d54943 100644
--- a/tools/doc/type-parser.mjs
+++ b/tools/doc/type-parser.mjs
@@ -175,6 +175,7 @@ const customTypesMap = {
   'vm.SourceTextModule': 'vm.html#vm_class_vm_sourcetextmodule',
 
   'MessagePort': 'worker_threads.html#worker_threads_class_messageport',
+  'Worker': 'worker_threads.html#worker_threads_class_worker',
 
   'zlib options': 'zlib.html#zlib_class_options',
 };