diff --git a/app/layout.js b/app/layout.js
index 18dc3ec..fcdf0f4 100644
--- a/app/layout.js
+++ b/app/layout.js
@@ -70,7 +70,7 @@ const themeInitScript = `
 (function() {
   try {
     var saved = localStorage.getItem('theme');
-    var theme = saved || (window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light');
+    var theme = saved || 'light';
     if (theme === 'dark') document.documentElement.classList.add('dark');
   } catch(e) {}
 })();