diff --git a/IRaCIS.Core.Application/Service/Reading/Dto/ReadingMedicineQuestionViewModel.cs b/IRaCIS.Core.Application/Service/Reading/Dto/ReadingMedicineQuestionViewModel.cs
index 16e259776..bbe3a3f79 100644
--- a/IRaCIS.Core.Application/Service/Reading/Dto/ReadingMedicineQuestionViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Reading/Dto/ReadingMedicineQuestionViewModel.cs
@@ -191,7 +191,7 @@ namespace IRaCIS.Core.Application.ViewModel
         public ReadingCategory ReadingCategory { get; set; }
 
 
-        public CriterionType CriterionTypeEnum { get; set; }
+        public CriterionType? CriterionTypeEnum { get; set; }
 
         public bool IsGeneral { get; set; }
     }
diff --git a/IRaCIS.Core.Domain/Reading/MedicalAudit/ReadingMedicineSystemQuestion.cs b/IRaCIS.Core.Domain/Reading/MedicalAudit/ReadingMedicineSystemQuestion.cs
index 83c26f232..1cefa7662 100644
--- a/IRaCIS.Core.Domain/Reading/MedicalAudit/ReadingMedicineSystemQuestion.cs
+++ b/IRaCIS.Core.Domain/Reading/MedicalAudit/ReadingMedicineSystemQuestion.cs
@@ -91,7 +91,7 @@ namespace IRaCIS.Core.Domain.Models
 
 
 
-		public CriterionType CriterionTypeEnum { get; set; }
+		public CriterionType? CriterionTypeEnum { get; set; }
 
 		public bool IsGeneral { get; set; }