diff --git a/webapp/controller/SupplyBoxController.class.php b/webapp/controller/SupplyBoxController.class.php
index 2ba1dfc..9fcad3b 100644
--- a/webapp/controller/SupplyBoxController.class.php
+++ b/webapp/controller/SupplyBoxController.class.php
@@ -348,7 +348,7 @@ class SupplyBoxController{
                                  array(
                                      ':accountid' => $account_id,
                                      ':fragment_id' => $item_id,
-                                     ':fragment_num' => 99 + $rowSkin['fragment_num']
+                                     ':fragment_num' => $item_num + $rowSkin['fragment_num']
                                  ));
     }
 }