diff --git a/src/pages/404.astro b/src/pages/404.astro
index a300d60..f8af7d9 100644
--- a/src/pages/404.astro
+++ b/src/pages/404.astro
@@ -18,7 +18,7 @@ import Picture from 'components/global/Picture.astro'
 </MainLayout>
 
 <script>
-	(document.querySelector('button.back_button') as HTMLButtonElement).addEventListener('click', () => {
+	document.querySelector<HTMLButtonElement>('button.back_button')?.addEventListener('click', () => {
 		history.back()
 	})
 </script>