diff --git a/IRaCIS.Core.Application/Service/Common/DTO/DictionaryModel.cs b/IRaCIS.Core.Application/Service/Common/DTO/DictionaryModel.cs
index d2732d6cb..1c72b5ed9 100644
--- a/IRaCIS.Core.Application/Service/Common/DTO/DictionaryModel.cs
+++ b/IRaCIS.Core.Application/Service/Common/DTO/DictionaryModel.cs
@@ -82,7 +82,7 @@ namespace IRaCIS.Application.Contracts
     {
         public Guid? ReadingCriterionId { get; set; }
 
-        public string DictionaryCode { get; set; }
+        public string DictionaryCode { get; set; } = string.Empty;
 
 
         public List<string> DictionaryCodeList { get; set; } = new List<string>();