diff --git a/ecs/jskult-batch-daily/src/batch/bio_sales/create_bio_sales_lot.py b/ecs/jskult-batch-daily/src/batch/bio_sales/create_bio_sales_lot.py
index f5a15649..99504905 100644
--- a/ecs/jskult-batch-daily/src/batch/bio_sales/create_bio_sales_lot.py
+++ b/ecs/jskult-batch-daily/src/batch/bio_sales/create_bio_sales_lot.py
@@ -149,12 +149,12 @@ def _insert_bio_sales_lot(db: Database):
                         WHEN 3 THEN bio.err_flg13
                     END
             END AS rec_sts_kbn,
-            CASE bio.bef_slip_mgt_num
-                WHEN NULL THEN bio.ins_dt
+            CASE
+                WHEN bio.bef_slip_mgt_num IS NOT NULL THEN bio.ins_dt
                 ELSE NULL
             END AS ins_dt,
-            CASE bio.bef_slip_mgt_num
-                WHEN NULL THEN bio.ins_usr
+            CASE
+                WHEN bio.bef_slip_mgt_num IS NOT NULL THEN bio.ins_usr
                 ELSE NULL
             END AS ins_usr,
             bio.dwh_upd_dt AS dwh_upd_dt,