diff --git a/library/includes/functions.php b/library/includes/functions.php
index 6bfd477b0..dc3edb86d 100644
--- a/library/includes/functions.php
+++ b/library/includes/functions.php
@@ -1489,6 +1489,11 @@ function bb_simple_die($txt, $status_code = null)
     die($txt);
 }
 
+function bb_realpath($path)
+{
+    return realpath($path);
+}
+
 function login_redirect($url = '')
 {
     redirect(LOGIN_URL . '?redirect=' . (($url) ?: ($_SERVER['REQUEST_URI'] ?? '/')));