diff --git a/packages/size-check/src/index.ts b/packages/size-check/src/index.ts
index dfda0bdb1..3c9d23c27 100644
--- a/packages/size-check/src/index.ts
+++ b/packages/size-check/src/index.ts
@@ -1,4 +1,6 @@
-import { render, createVNode } from '@vue/runtime-dom'
+import { h, createApp } from '@vue/runtime-dom'
 
 // The bare minimum code required for rendering something to the screen
-render(createVNode('div'), document.getElementById('app')!)
+createApp({
+  render: () => h('div', 'hello world!')
+}).mount('#app')