diff --git a/app/Repositories/Custom/HelloTechno/ReceiptIssuingOrderRepository.php b/app/Repositories/Custom/HelloTechno/ReceiptIssuingOrderRepository.php
index 3596cb0..a25981c 100644
--- a/app/Repositories/Custom/HelloTechno/ReceiptIssuingOrderRepository.php
+++ b/app/Repositories/Custom/HelloTechno/ReceiptIssuingOrderRepository.php
@@ -170,7 +170,7 @@ class ReceiptIssuingOrderRepository extends BaseRepository
 
         // ソート
         $this->sort($main, $condition);
-        $main->orderBy(static::CONDITION_ID);
+        $main->orderByDesc(ReceiptIssuingOrder::COL_NAME_ORDER_DATETIME);
 
         // リミット
         $this->limit($main, $condition);