diff --git a/public/redirect.js b/public/redirect.js
index 9645e25..831ca2d 100644
--- a/public/redirect.js
+++ b/public/redirect.js
@@ -21,7 +21,7 @@
   let targetPage = null
 
   // Determine target page based on device and screen size
-  if (isMobilePhone && width < 768) {
+  if (isMobilePhone && width < 512) {
     // Mobile phones: detected mobile device < 768px
     targetPage = 'mobile.html'
   } else if (width < 400) {