diff --git a/lib/ronin/address.rb b/lib/ronin/address.rb
index <HASH>..<HASH> 100644
--- a/lib/ronin/address.rb
+++ b/lib/ronin/address.rb
@@ -34,7 +34,7 @@ module Ronin
     property :id, Serial
 
     # The class name of the Address
-    property :type, Discriminator
+    property :type, Discriminator, :required => true
 
     # The Address
     property :address, String, :required => true,
Add a :required => true to Address.type, to match it's migration.