diff --git a/action/action_puestos_excel.php b/action/action_puestos_excel.php
index 45d18c5..b1daf82 100644
--- a/action/action_puestos_excel.php
+++ b/action/action_puestos_excel.php
@@ -3,8 +3,11 @@ $ruta = "../";
 require_once "../vendor/autoload.php";
 require_once "../class/c_login.php";
 
-$user = Login::get_user();
-$user->print_to_log('Genera excel de materias por puesto');
+if (!isset($_SESSION['user'])) {
+    http_response_code(401);
+    die(json_encode(['error' => 'unauthorized']));
+}
+$user = unserialize($_SESSION['user']);
 
 use PhpOffice\PhpSpreadsheet\Spreadsheet;
 use PhpOffice\PhpSpreadsheet\IOFactory;