diff --git a/webapp/mt/LevelUp.php b/webapp/mt/LevelUp.php
index bf9f43e8..ac9b180b 100644
--- a/webapp/mt/LevelUp.php
+++ b/webapp/mt/LevelUp.php
@@ -14,7 +14,7 @@ class LevelUp
                     $exp = min($exp, $meta[count($meta)]['total_exp']);
                     $lv = $meta[count($meta)]['id'];
                 }else{
-                    if ($meta[$i+1]){
+                    if ($i<count($meta)){
                         if ($exp >= $meta[$i]['total_exp'] &&
                             $exp < $meta[$i+1]['total_exp'])
                         {