diff --git a/sites/svelte-5-preview/src/app.html b/sites/svelte-5-preview/src/app.html
index 2e93be0c35..8b4da37640 100644
--- a/sites/svelte-5-preview/src/app.html
+++ b/sites/svelte-5-preview/src/app.html
@@ -7,7 +7,7 @@
 		<meta name="viewport" content="width=device-width, initial-scale=1" />
 		%sveltekit.head%
 	</head>
-	<body>
+	<body data-sveltekit-preload-data="hover">
 		<div style="display: contents">%sveltekit.body%</div>
 	</body>
 </html>
