diff --git a/includes/functions.php b/includes/functions.php
index ed19474..17c3c96 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -24,7 +24,7 @@ function is_logged_in() {
  * @return bool True se admin, false altrimenti
  */
 function is_admin() {
-    return isset($_SESSION['is_admin']) && $_SESSION['is_admin'] === true;
+    return isset($_SESSION['is_admin']) && ($_SESSION['is_admin'] === true || $_SESSION['is_admin'] === 1);
 }
 
 /**
@@ -61,7 +61,7 @@ function login_user($user_id, $is_admin = false) {
     session_regenerate_id(true);
     
     $_SESSION['user_id'] = $user_id;
-    $_SESSION['is_admin'] = $is_admin;
+    $_SESSION['is_admin'] = (bool)$is_admin;  // Converti esplicitamente a boolean
     $_SESSION['last_activity'] = time();
 }