diff --git a/v2/pkg/templates/templates/svelte-ts/frontend/src/main.ts b/v2/pkg/templates/templates/svelte-ts/frontend/src/main.ts
index 95c41a51d20..3a65b849de7 100644
--- a/v2/pkg/templates/templates/svelte-ts/frontend/src/main.ts
+++ b/v2/pkg/templates/templates/svelte-ts/frontend/src/main.ts
@@ -1,8 +1,9 @@
+import { mount } from 'svelte'
 import './style.css'
 import App from './App.svelte'
 
-const app = new App({
-  target: document.getElementById('app')
+const app = mount(App, {
+  target: document.getElementById('app') as HTMLElement
 })
 
 export default app
diff --git a/v2/pkg/templates/templates/svelte/frontend/src/main.js b/v2/pkg/templates/templates/svelte/frontend/src/main.js
index 95c41a51d20..221e7ebaf1c 100644
--- a/v2/pkg/templates/templates/svelte/frontend/src/main.js
+++ b/v2/pkg/templates/templates/svelte/frontend/src/main.js
@@ -1,7 +1,8 @@
+import { mount } from 'svelte'
 import './style.css'
 import App from './App.svelte'
 
-const app = new App({
+const app = mount(App, {
   target: document.getElementById('app')
 })
 
diff --git a/website/src/pages/changelog.mdx b/website/src/pages/changelog.mdx
index f5daf0729ec..5c1001358e3 100644
--- a/website/src/pages/changelog.mdx
+++ b/website/src/pages/changelog.mdx
@@ -14,6 +14,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Fixed v2 `svelte` and `svelte-ts` templates scaffolding a blank page by migrating from the removed Svelte 4 `new App()` API to Svelte 5 `mount()` [#6001](https://github.com/wailsapp/wails/issues/6001) by @haoku123
+
 ## v2.15.0 - 2026-08-17
 
 ### Added