diff --git a/playground/optimize-missing-deps/missing-dep/index.js b/playground/optimize-missing-deps/missing-dep/index.js
index 63531f70e55ed0..f5d61c545d080a 100644
--- a/playground/optimize-missing-deps/missing-dep/index.js
+++ b/playground/optimize-missing-deps/missing-dep/index.js
@@ -1,5 +1,5 @@
-const { name } = require('multi-entry-dep')
+import { name } from 'multi-entry-dep'
 
-exports.sayName = () => {
+export function sayName() {
   return name
 }
diff --git a/playground/optimize-missing-deps/missing-dep/package.json b/playground/optimize-missing-deps/missing-dep/package.json
index bbfc8ba2c87a57..9899c177772243 100644
--- a/playground/optimize-missing-deps/missing-dep/package.json
+++ b/playground/optimize-missing-deps/missing-dep/package.json
@@ -2,6 +2,7 @@
   "name": "missing-dep",
   "private": true,
   "version": "0.0.0",
+  "type": "module",
   "main": "index.js",
   "dependencies": {
     "multi-entry-dep": "file:../multi-entry-dep"