diff --git a/ecs/jskult-batch/src/system_var/environment.py b/ecs/jskult-batch/src/system_var/environment.py
index fbb334f3..4dacb4e5 100644
--- a/ecs/jskult-batch/src/system_var/environment.py
+++ b/ecs/jskult-batch/src/system_var/environment.py
@@ -34,6 +34,7 @@ JSKULT_CONFIG_EXPECTED_DATA_LIST_FILE_NAME = os.environ.get(
 )
 JSK_IO_BUCKET = os.environ.get('JSK_IO_BUCKET', None)
 JSK_DATA_SEND_FOLDER = os.environ.get('JSK_DATA_SEND_FOLDER', None)
+JSK_BACKUP_FOLDER = os.environ.get('JSK_BACKUP_FOLDER', None)
 
 
 # 初期値がある環境変数