diff --git a/src/guide/migration/migration-build.md b/src/guide/migration/migration-build.md
index 54fe9edd11..cdf2b0ad48 100644
--- a/src/guide/migration/migration-build.md
+++ b/src/guide/migration/migration-build.md
@@ -163,6 +163,8 @@ The following workflow walks through the steps of migrating an actual Vue 2 app
      const Vue: CompatVue
      export default Vue
      export * from '@vue/runtime-dom'
+     const { configureCompat } = Vue
+     export { configureCompat }
    }
    ```