diff --git a/IRaCIS.Core.Application/Service/Reading/_MapConfig.cs b/IRaCIS.Core.Application/Service/Reading/_MapConfig.cs
index 32f6c6125..ae79a5a58 100644
--- a/IRaCIS.Core.Application/Service/Reading/_MapConfig.cs
+++ b/IRaCIS.Core.Application/Service/Reading/_MapConfig.cs
@@ -76,7 +76,8 @@ namespace IRaCIS.Core.Application.Service
             CreateMap<ReadingQuestionTrial, GetTrialReadingQuestionOutDto>()
                 .ForMember(x=>x.ReadingQuestionTrialId, y=>y.MapFrom(z=>z.Id));
 
-            CreateMap<VisitTask, GetReadingPastResultListOutDto>();
+            CreateMap<VisitTask, GetReadingPastResultListOutDto>()
+                  .ForMember(x => x.TaskId, y => y.MapFrom(z => z.Id));
             #endregion