diff --git a/webapp/models/FragmentPool.php b/webapp/models/FragmentPool.php
index 7e4599cd..7afbb456 100644
--- a/webapp/models/FragmentPool.php
+++ b/webapp/models/FragmentPool.php
@@ -9,12 +9,14 @@ class FragmentPool extends BaseModel {
 
     public static function dropHero()
     {
+        $allocTime = myself()->_getNowDaySeconds() +
+                   intval((myself()->_getNowTime() - myself()->_getNowDaySeconds()) / 3600) * 3600;
         $rows = SqlHelper::ormSelect
              (myself()->_getMysql($targetId),
                  't_fragment_pool',
                  array(
                      'fragment_type' => 0,
-                     'alloc_time' => 0,
+                     'alloc_time' => $allocTime,
                  )
                 );
         if ($rows) {