diff --git a/ag/arena.php b/ag/arena.php
index c82a0e6..eeb610f 100644
--- a/ag/arena.php
+++ b/ag/arena.php
@@ -313,7 +313,7 @@ function renovate($user, $arena, $vermoegen){
 }
 
 
-$arena = getArena($user_id);
+$arena = getArena($user_ida[id]);
 
 $auktionensumme = mysql_fetch_assoc(mysql_query('SELECT SUM(aktuellesgebot) as summe FROM auktion WHERE bieter = '.$user_ida[id].' GROUP BY bieter'));
 $auktionensumme = $auktionensumme['summe'];