diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
index b2ff89e6..039cdfdd 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
@@ -1178,7 +1178,7 @@ namespace IRaCIS.Application.Services
 
                 var subjectIndex = subjectTaskList.Where(x => x.SubjectId == inDto.SubjectId && x.SubjectCode == inDto.SubjectCode).Select(x => x.Index).FirstOrDefault();
 
-                var currentSubject = subjectTaskList.Where(x => x.Index >= subjectIndex && !x.ExistReadingApply).OrderBy(x => x.Index).FirstOrDefault();
+                var currentSubject = subjectTaskList.Where(x => x.SubjectId == inDto.SubjectId && x.SubjectCode == inDto.SubjectCode&& x.Index >= subjectIndex && !x.ExistReadingApply).OrderBy(x => x.Index).FirstOrDefault();
 
                 if (currentSubject == null)
                 {