diff --git a/apps/svelte.dev/content/tutorial/01-svelte/02-reactivity/06-universal-reactivity/+assets/app-a/src/lib/Counter.svelte b/apps/svelte.dev/content/tutorial/01-svelte/02-reactivity/06-universal-reactivity/+assets/app-a/src/lib/Counter.svelte
index 3c79b7f895..8c13a2d265 100644
--- a/apps/svelte.dev/content/tutorial/01-svelte/02-reactivity/06-universal-reactivity/+assets/app-a/src/lib/Counter.svelte
+++ b/apps/svelte.dev/content/tutorial/01-svelte/02-reactivity/06-universal-reactivity/+assets/app-a/src/lib/Counter.svelte
@@ -1,3 +1,6 @@
+<!-- disable legacy mode for this tutorial -->
+<svelte:options runes={true} />
+
 <script>
 	import { counter } from './shared.js';
 </script>
diff --git a/apps/svelte.dev/content/tutorial/01-svelte/02-reactivity/06-universal-reactivity/+assets/app-b/src/lib/Counter.svelte b/apps/svelte.dev/content/tutorial/01-svelte/02-reactivity/06-universal-reactivity/+assets/app-b/src/lib/Counter.svelte
index 9e89945262..9a5b42a1c7 100644
--- a/apps/svelte.dev/content/tutorial/01-svelte/02-reactivity/06-universal-reactivity/+assets/app-b/src/lib/Counter.svelte
+++ b/apps/svelte.dev/content/tutorial/01-svelte/02-reactivity/06-universal-reactivity/+assets/app-b/src/lib/Counter.svelte
@@ -1,3 +1,6 @@
+<!-- disable legacy mode for this tutorial -->
+<svelte:options runes={true} />
+
 <script>
 	import { counter } from './shared.svelte.js';
 </script>