diff --git a/main.php b/main.php
index 5fcb084..974961e 100644
--- a/main.php
+++ b/main.php
@@ -25,7 +25,7 @@ if (!empty($user['battle'])) {
 }
 
 //БС
-if ($user['in_tower'] == 1) {
+if ( isset($user['in_tower']) && $user['in_tower'] == 1) {
     header('Location: towerin.php');
     die();
 }