diff --git a/index.d.ts b/index.d.ts
index f1c9550..1afb995 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,4 +1 @@
-type ConstructorOf<C> = { new (...args: any[]): C }
-
-declare const _default: ConstructorOf<Worker>
-export default _default
+export = Worker;
diff --git a/package.json b/package.json
index 4e33417..f5e0d29 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,8 @@
   "exports": {
     "browser": "./cjs/browser.js",
     "node": "./cjs/node.js",
-    "default": "./cjs/node.js"
+    "default": "./cjs/node.js",
+    "types": "./index.d.ts"
   },
   "types": "index.d.ts",
   "files": [