diff --git a/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs b/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
index e6a0e9ffa..74158eeb2 100644
--- a/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
+++ b/IRaCIS.Core.Application/Service/Visit/SubjectVisitService.cs
@@ -331,7 +331,7 @@ namespace IRaCIS.Core.Application.Services
             var tag = await _readingCustomTagRepository.Where(x => x.VisitTaskId == indto.VisitTaskId && x.StudyId != null).Select(x => new
             {
                 ShowOrder=  0,
-                RowIndex= 0,
+                RowIndex= 0m,
                 x.SeriesId,
                 x.StudyId,
                 x.InstanceId,