diff --git a/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs b/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs
index 09891cf59..8195a1b53 100644
--- a/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Allocation/VisitTaskService.cs
@@ -2267,7 +2267,7 @@ public class VisitTaskService(IRepository<VisitTask> _visitTaskRepository,
                 _ = _taskSeriesRepository.AddAsync(newSeries).Result;
 
 
-                var studyInstanceList = taskInstanceList.Where(t => t.StudyId == taskStudy.Id).ToList();
+                var studyInstanceList = taskInstanceList.Where(t => t.StudyId == taskStudy.Id && t.SeriesId == series.Id).ToList();
 
                 foreach (var instance in studyInstanceList)
                 {