diff --git a/rds_mysql/stored_procedure/src05/inst_merge_t_create.sql b/rds_mysql/stored_procedure/src05/inst_merge_t_create.sql
index 0afdedad..74472fcc 100644
--- a/rds_mysql/stored_procedure/src05/inst_merge_t_create.sql
+++ b/rds_mysql/stored_procedure/src05/inst_merge_t_create.sql
@@ -56,11 +56,12 @@ BEGIN
 		src05.dcf_inst_merge dim
 	LEFT OUTER JOIN src05.com_inst ci
 		ON dim.dcf_inst_cd_new = ci.dcf_dsf_inst_cd
+		AND ci.delete_flg = '0'
 	WHERE
-			ci.delete_flg = '0'
-		AND	src05.to_date_yyyymm01(dim.tekiyo_month) <= src05.get_syor_date() 
-		AND	dim.muko_flg = '0'
-		AND	dim.enabled_flg = 'Y';
+			dim.muko_flg = '0'
+		AND dim.dcf_inst_cd_new IS NOT NULL
+		AND	dim.enabled_flg = 'Y'
+		AND	src05.to_date_yyyymm01(dim.tekiyo_month) <= src05.get_syor_date();
 
 	call medaca_common.put_info_log(schema_name, procedure_name, procedure_args,
 							'アルトマーク施設統合マスタ（洗替処理一時テーブル）作成② 終了'