diff --git a/src/models/attendee.ts b/src/models/attendee.ts
index 81baf3c..41d238e 100644
--- a/src/models/attendee.ts
+++ b/src/models/attendee.ts
@@ -88,6 +88,9 @@ export default class Attendee extends Model implements AttendeeModel {
       }
     });
 
-    return attributes;
+    return {
+      attributes,
+      type: 'attendees',
+    };
   }
 }
diff --git a/src/resources/appointment.ts b/src/resources/appointment.ts
index c0ceca2..019ac10 100644
--- a/src/resources/appointment.ts
+++ b/src/resources/appointment.ts
@@ -88,12 +88,8 @@ export default class Appointment implements AppointmentResource {
   protected params(): AppointmentParameters {
     const attendees = (this.attendees as AttendeeModel[])
       .map((attendee: AttendeeModel): object => {
-        let parameters: object = {
-          attributes: attendee.toResponse(),
-          type: 'attendees',
-        };
-
         const answers = attendee.getAnswers();
+        let parameters: object = attendee.toResponse();
 
         if (answers.length > 0) {
           parameters = {