       unless options.has_one?
         options.has_one = []
       options.has_one = Ham.merge options.belongs_to, options.has_one
+    else
+      options.belongs_to = []
 
     # Single relations
     # Generated methods:

        console.log callbackOrObservable

      callback = callbackOrObservable

    if params? && params.id?
      mapi.read(params.id, params).done callback

    # Check if de/encryption functions should be included
    #
    if options.encrypted_container?
      Encryptable self, options.encrypted_container, options.encrypted_editable

    # Include sortable functions
    if options.sortable? && options.sortable == true
