diff --git a/Models/WebModels/MemberViewModel.cs b/Models/WebModels/MemberViewModel.cs
index 5564d08..3da673a 100644
--- a/Models/WebModels/MemberViewModel.cs
+++ b/Models/WebModels/MemberViewModel.cs
@@ -49,7 +49,7 @@ public class MemberViewModel
 
 	public class RegistrationViewModel : AttendeeViewModel, IPurchaseModel
 	{
-    public Guid RegId { get; set; }
+    public Guid? RegId { get; set; }
 		
 		[Required]
 		[Display(Name = "Ticket Type", Description = "Please select the type of ticket")]