diff --git a/webapp/controller/RechargeController.class.php b/webapp/controller/RechargeController.class.php
index 278d1f4..18c6ff5 100644
--- a/webapp/controller/RechargeController.class.php
+++ b/webapp/controller/RechargeController.class.php
@@ -919,7 +919,7 @@ class RechargeController
 
             if (!$solorow) {
                 $privilege = new classes\Privilege();
-                $medals = metatable\getParameterById(MEDAL_LIMIT) + $privilege->getMedalLimitPlus($account_id);
+                $medals = intval(metatable\getParameterById(MEDAL_LIMIT)) + $privilege->getMedalLimitPlus($account_id);
                 $gamelevel = array(
                     'curlevel' => 1,
                     'curwave' => 0,
diff --git a/webapp/controller/SoloController.class.php b/webapp/controller/SoloController.class.php
index 92ba846..84f435b 100644
--- a/webapp/controller/SoloController.class.php
+++ b/webapp/controller/SoloController.class.php
@@ -87,7 +87,7 @@ class SoloController
 
         $medals = 0;
         $privilege = new classes\Privilege();
-        $medalsgrowlimit = metatable\getParameterById(MEDAL_LIMIT) + $privilege->getMedalLimitPlus($account_id);
+        $medalsgrowlimit = intval(metatable\getParameterById(MEDAL_LIMIT)) + $privilege->getMedalLimitPlus($account_id);
         $nowtime = time();
         $lastredeem = $nowtime;
         $level = 1;
@@ -811,7 +811,7 @@ class SoloController
         $curmedals = $solorow['medals'] - $medalcost;
         $lastredeem = $solorow['lastredeem'];
         $privilege = new classes\Privilege();
-        $medalsgrowlimit = metatable\getParameterById(MEDAL_LIMIT) + $privilege->getMedalLimitPlus($account_id);
+        $medalsgrowlimit = intval(metatable\getParameterById(MEDAL_LIMIT)) + $privilege->getMedalLimitPlus($account_id);
         if ($solorow['medals'] >= $medalsgrowlimit && $curmedals < $medalsgrowlimit) {
             $lastredeem = time();
         }