diff --git a/404.html b/404.html
index fa60c98..38522d9 100644
--- a/404.html
+++ b/404.html
@@ -4,10 +4,11 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta name="description" content="huh, you are lost">
+    <meta name="description" content="huh... you lost">
 
     <link rel="shortcut icon" href="assets/logo.png">
     <link rel="stylesheet" href="assets/style.css">
+    <script defer src="assets/script.js"></script>
     <title>sador - you are lost</title>
 </head>
 
diff --git a/assets/script.js b/assets/script.js
index fc5b727..2b17337 100644
--- a/assets/script.js
+++ b/assets/script.js
@@ -27,7 +27,7 @@ smoothScrollLinks.forEach(link => {
 const switchTheme = document.getElementById('switch-theme');
 const theme = localStorage.getItem('theme');
 
-switchTheme.addEventListener('click', () => {
+switchTheme?.addEventListener('click', () => {
     if (theme === 'dark') {
         localStorage.setItem('theme', 'light');
     } else {
