diff --git a/IRaCIS.Core.Domain/Dcotor/Doctor.cs b/IRaCIS.Core.Domain/Dcotor/Doctor.cs
index 7272becfc..49d05fc3f 100644
--- a/IRaCIS.Core.Domain/Dcotor/Doctor.cs
+++ b/IRaCIS.Core.Domain/Dcotor/Doctor.cs
@@ -187,11 +187,11 @@ namespace IRaCIS.Core.Domain.Models
 
         public bool IsVirtual { get; set; }
 
-        public string BlindName { get; set; }
+        public string BlindName { get; set; } = string.Empty;
 
         public string BlindNameCN { get; set; } = string.Empty;
 
 
-        public string BlindPublications { get; set; }
+        public string BlindPublications { get; set; } = string.Empty;
     }
 }