diff --git a/app/Logic/SMS/FourSMessageManager.php b/app/Logic/SMS/FourSMessageManager.php
index 44fb2f1..9e962d5 100644
--- a/app/Logic/SMS/FourSMessageManager.php
+++ b/app/Logic/SMS/FourSMessageManager.php
@@ -252,6 +252,7 @@ class CommunicationData
 
                 // 空文字の場合があるので、数値にキャストする
                 $record['success_count'] = intVal($record['success_count']);
+                $record['message_count'] = intVal($record['message_count']);
 
                 $ele = SMSProviderFourSMessageCommunication::whereRequestId($requestId)
                     ->firstOrFail();