diff --git a/create-snowpack-app/app-template-svelte-typescript/src/App.svelte b/create-snowpack-app/app-template-svelte-typescript/src/App.svelte
index 2f588650c1..a7c4e0735c 100644
--- a/create-snowpack-app/app-template-svelte-typescript/src/App.svelte
+++ b/create-snowpack-app/app-template-svelte-typescript/src/App.svelte
@@ -1,4 +1,4 @@
-<script>
+<script lang='typescript'>
 	import {onMount} from 'svelte';
 	let count: number = 0;
 	onMount(() => {
diff --git a/create-snowpack-app/app-template-svelte-typescript/svelte.config.js b/create-snowpack-app/app-template-svelte-typescript/svelte.config.js
index 963aa43da0..88b4c00ece 100644
--- a/create-snowpack-app/app-template-svelte-typescript/svelte.config.js
+++ b/create-snowpack-app/app-template-svelte-typescript/svelte.config.js
@@ -1,9 +1,9 @@
 const autoPreprocess = require('svelte-preprocess');
 
 module.exports = {
-    preprocess: autoPreprocess({
-        defaults: {
-            script: 'typescript'
-        }
-    })
-}
\ No newline at end of file
+  preprocess: autoPreprocess({
+    defaults: {
+      script: 'typescript',
+    },
+  }),
+};
\ No newline at end of file