diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingCalculateService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingCalculateService.cs
index 2f7b08aeb..79fd5d5ef 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingCalculateService.cs
@@ -851,7 +851,7 @@ namespace IRaCIS.Core.Application.Service
 						VisitTaskId = inDto.VisitTaskId,
 						QuestionId= visitTaskAnswerList[0].QuestionId,
 						VisitName=inDto.VisitName,
-						SOD=await GetSODData(inDto).ToString().IsNullOrEmptyReturn0(),
+						SOD=(await GetSODData(inDto)).ToString().IsNullOrEmptyReturn0(),
 					});
 				}