diff --git a/includes/router.php b/includes/router.php
index 47318f00..31cd8e7a 100644
--- a/includes/router.php
+++ b/includes/router.php
@@ -4,5 +4,5 @@
 // Currently unused, but the idea is to dynamically prepend ../../ to asset paths (like includes, libraries, etc.)
 // based on the current directory depth. This allows us to support deeply nested folder structures.
 
-$depth = substr_count(trim($_SERVER['REQUEST_URI'], '/'), '/');
+$depth = min(substr_count(trim($_SERVER['REQUEST_URI'], '/'), '/'), 3);
 $path_prefix = str_repeat('../', $depth);