diff --git a/CODEOWNERS b/CODEOWNERS
index 71a6bc0b7..35faf7426 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -3,3 +3,4 @@
 /packages/babel/ @Andarist
 /packages/image/ @tjenkinson
 /packages/node-resolve/ @tjenkinson
+/packages/terser/ @tada5hi
diff --git a/packages/terser/src/module.ts b/packages/terser/src/module.ts
index c6264c5a0..1a2adc93c 100644
--- a/packages/terser/src/module.ts
+++ b/packages/terser/src/module.ts
@@ -1,13 +1,17 @@
+import { fileURLToPath } from 'url';
+
 import type { NormalizedOutputOptions, RenderedChunk } from 'rollup';
 import { hasOwnProperty, isObject, merge } from 'smob';
 
 import type { Options } from './type';
 import { WorkerPool } from './worker-pool';
 
-export default function terser(options: Options = {}) {
+export default function terser(input: Options = {}) {
+  const { maxWorkers, ...options } = input;
+
   const workerPool = new WorkerPool({
-    filePath: __filename,
-    maxWorkers: options.maxWorkers
+    filePath: fileURLToPath(import.meta.url),
+    maxWorkers
   });
 
   return {
diff --git a/packages/terser/tsconfig.json b/packages/terser/tsconfig.json
index ecd4fa102..04f3a8a8b 100644
--- a/packages/terser/tsconfig.json
+++ b/packages/terser/tsconfig.json
@@ -2,6 +2,7 @@
   "extends": "../../tsconfig.base.json",
   "include": ["src/**/*", "types/**/*"],
   "compilerOptions": {
-    "noUnusedParameters": false
+    "noUnusedParameters": false,
+    "module": "ESNext"
   }
 }