diff --git a/js/index.ts b/js/index.ts
index b617f3ff..87b7acd6 100644
--- a/js/index.ts
+++ b/js/index.ts
@@ -1,16 +1,17 @@
 import EventEmitter from 'node:events';
 import { Worker } from 'node:worker_threads';
-import { resolveExtention } from './utils';
+import { dir, resolveExtention } from './utils';
+import { join } from 'node:path';
 
 export const run = (argv: string[]): EventEmitter => {
   const emitter = new EventEmitter();
-  const worker = new Worker(`./entry.${resolveExtention()}`, { workerData: { argv } });
+  const worker = new Worker(join(dir(), `./entry.${resolveExtention()}`), { workerData: { argv } });
 
   let nextTid = 1;
   const workers = [worker];
 
   const spawn = (startArg: number, threadId: Int32Array, memory: WebAssembly.Memory) => {
-    const worker = new Worker(`./worker.${resolveExtention()}`);
+    const worker = new Worker(join(dir(), `./worker.${resolveExtention()}`));
 
     workers.push(worker);
 
diff --git a/js/package.json b/js/package.json
index 73596ddd..fb87f868 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "reg-cli",
-  "version": "0.0.0-experimental-wasm0",
+  "version": "0.0.0-experimental-wasm1",
   "description": "",
   "type": "module",
   "start": "node ./dist/cli.mjs",
diff --git a/js/utils.ts b/js/utils.ts
index c457a693..bd698e9f 100644
--- a/js/utils.ts
+++ b/js/utils.ts
@@ -5,10 +5,13 @@ import { join } from 'node:path';
 
 const isCJS = typeof __dirname !== 'undefined';
 
-export const readWasm = () => {
+export const dir = (): string => {
   const dir = isCJS ? __dirname : path.dirname(fileURLToPath(import.meta.url));
+  return dir;
+};
 
-  const file = readFile(join(dir, './reg.wasm'));
+export const readWasm = () => {
+  const file = readFile(join(dir(), './reg.wasm'));
   return file;
 };