diff --git a/rds_mysql/stored_procedure/crm_history.sql b/rds_mysql/stored_procedure/crm_history.sql
index f9057a5e..794abe38 100644
--- a/rds_mysql/stored_procedure/crm_history.sql
+++ b/rds_mysql/stored_procedure/crm_history.sql
@@ -9,15 +9,15 @@ BEGIN
 				@error_state = RETURNED_SQLSTATE, @error_msg = MESSAGE_TEXT;
 			DROP TEMPORARY TABLE IF EXISTS make_history_tmp;
 			SIGNAL SQLSTATE '45000'
-                SET MESSAGE_TEXT = @error_msg, MYSQL_ERRNO = @error_state;
+				SET MESSAGE_TEXT = @error_msg, MYSQL_ERRNO = @error_state;
 		END;
 
 	-- ①-1 Salesforce側で更新されたデータの適用開始日時と適用終了日時を設定する
 	SET @new_history_save = '
 		UPDATE @@target_table 
 		SET
-    		start_datetime = @@target_column
-    		, end_datetime = "9999-12-31 00:00:00" 
+			start_datetime = @@target_column
+			, end_datetime = "9999-12-31 00:00:00" 
 		WHERE
 			start_datetime IS NULL 
 			AND end_datetime IS NULL