diff --git a/svelte.config.js b/svelte.config.js
index 420be0e..0a07a4a 100644
--- a/svelte.config.js
+++ b/svelte.config.js
@@ -7,7 +7,7 @@ const base = process.env.SITE_BASE ?? '/mathmax';
 const config = {
   preprocess: vitePreprocess(),
   kit: {
-    adapter: adapter({ fallback: 'index.html' }),
+    adapter: adapter(),
     paths: { base },
   },
 };