diff --git a/ecs/jskult-batch/src/batch/update_business_day.py b/ecs/jskult-batch/src/batch/update_business_day.py
index 0bd720d4..8bcb0c9a 100644
--- a/ecs/jskult-batch/src/batch/update_business_day.py
+++ b/ecs/jskult-batch/src/batch/update_business_day.py
@@ -1,4 +1,5 @@
 import json
+import re
 from datetime import datetime
 
 import boto3
@@ -187,11 +188,10 @@ class UpdateBusinessDay(JskultBatchEntrypoint):
         """jsk_transfer_data_listと比較し、結果不足ファイルがあった場合ログ出力
         """
         missing_files = [
-            jsk_transfer_expected_data
-            for jsk_transfer_expected_data in jsk_transfer_expected_data_list
+            expected
+            for expected in jsk_transfer_expected_data_list
             if not any(
-                jsk_transfer_data.startswith(
-                    jsk_transfer_expected_data)
+                re.match(f"{re.escape(expected)}_\\d{{14}}", jsk_transfer_data)
                 for jsk_transfer_data in jsk_transfer_data_list
             )
         ]
@@ -206,9 +206,9 @@ class UpdateBusinessDay(JskultBatchEntrypoint):
             jsk_transfer_data
             for jsk_transfer_data in jsk_transfer_data_list
             if not any(
-                jsk_transfer_data.startswith(
-                    jsk_transfer_expected_data)
-                for jsk_transfer_expected_data in jsk_transfer_expected_data_list
+                re.match(f"{re.escape(expected)}_\\d{{14}}",
+                         jsk_transfer_data)
+                for expected in jsk_transfer_expected_data_list
             )
         ]
         if len(unexpected_data) != 0: