diff --git a/src/model/schedule.ts b/src/model/schedule.ts
index 9b43503..9064c64 100644
--- a/src/model/schedule.ts
+++ b/src/model/schedule.ts
@@ -546,14 +546,14 @@ export class ScheduleModel {
 
 		const query = `
 			SELECT
-				ro."scheduleSeriesId" AS series_id,
+				ro.schedule_series_id AS series_id,
 				DATE(ro.visit_date) AS visit_date,
 				COUNT(ro.id) AS used_count
 			FROM emr.emr_registration_outpatient ro
-			WHERE ro."scheduleSeriesId" IN (${placeholders})
+			WHERE ro.schedule_series_id IN (${placeholders})
 				AND DATE(ro.visit_date) BETWEEN $${startParamIndex} AND $${endParamIndex}
 				AND ro.deleted_at IS NULL
-			GROUP BY ro."scheduleSeriesId", DATE(ro.visit_date)
+			GROUP BY ro.schedule_series_id, DATE(ro.visit_date)
 		`;
 
 		const rows: Array<{ series_id: string; visit_date: string | Date; used_count: string | number }> = await OrmHelper.DB.manager.query(