diff --git a/src/Api/AdminConsole/Public/Models/MemberBaseModel.cs b/src/Api/AdminConsole/Public/Models/MemberBaseModel.cs
index f3eabfafea..6562d2e4cb 100644
--- a/src/Api/AdminConsole/Public/Models/MemberBaseModel.cs
+++ b/src/Api/AdminConsole/Public/Models/MemberBaseModel.cs
@@ -49,6 +49,7 @@ public abstract class MemberBaseModel
     /// <summary>
     /// The member's type (or role) within the organization.
     /// </summary>
+    [Required]
     [EnumDataType(typeof(OrganizationUserType))]
     public required OrganizationUserType? Type { get; set; }
     /// <summary>