diff --git a/scripts/breadcrumbs.js b/scripts/breadcrumbs.js
index 6a12503..ea770bd 100644
--- a/scripts/breadcrumbs.js
+++ b/scripts/breadcrumbs.js
@@ -472,7 +472,7 @@
     
     // DOM manipulation
     function isModernUI() {
-        return !!document.querySelector('.MuiBox-root') || localStorage.getItem('layout')?.length === 0;
+        return !!document.querySelector('main.MuiBox-root') || localStorage.getItem('layout')?.length === 0;
     }
 
     function resolveBreadcrumbMount() {