diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
index ce4553016..99af6f5fa 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/LuganoCalculateService.cs
@@ -1098,6 +1098,7 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
 
                     tableRowAnswers.ForEach(x =>
                     {
+                        x.SplitOrMergeType = null;
                         x.VisitTaskId = visitTaskId;
                         x.IsCurrentTaskAdd = false;
                         x.Id = NewId.NextGuid();