diff --git a/src/crud.js b/src/crud.js
index 64e44b7..3991b1c 100644
--- a/src/crud.js
+++ b/src/crud.js
@@ -143,7 +143,7 @@ export const list = ({ server, model, prefix = '/', config }) => {
         where, include,
       });
 
-      reply(list);
+      reply(list.map((item) => item.toJSON()));
     },
 
     config,
@@ -168,7 +168,7 @@ export const get = ({ server, model, prefix = '/', config }) => {
 
       if (!instance) return void reply(notFound(`${id} not found.`));
 
-      reply(instance);
+      reply(instance.toJSON());
     },
     config: _.defaultsDeep(config, {
       validate: {
@@ -196,7 +196,7 @@ export const scope = ({ server, model, prefix = '/', config }) => {
 
       const list = await model.scope(request.params.scope).findAll({ include, where });
 
-      reply(list);
+      reply(list.map((item) => item.toJSON()));
     },
     config: _.defaultsDeep(config, {
       validate: {
@@ -217,7 +217,7 @@ export const create = ({ server, model, prefix = '/', config }) => {
     async handler(request, reply) {
       const instance = await model.create(request.payload);
 
-      reply(instance);
+      reply(instance.toJSON());
     },
 
     config,
@@ -238,7 +238,8 @@ export const destroy = ({ server, model, prefix = '/', config }) => {
 
       await Promise.all(list.map(instance => instance.destroy()));
 
-      reply(list.length === 1 ? list[0] : list);
+      const listAsJSON = list.map((item) => item.toJSON());
+      reply(listAsJSON.length === 1 ? listAsJSON[0] : listAsJSON);
     },
 
     config,
@@ -258,7 +259,8 @@ export const destroyAll = ({ server, model, prefix = '/', config }) => {
 
       await Promise.all(list.map(instance => instance.destroy()));
 
-      reply(list.length === 1 ? list[0] : list);
+      const listAsJSON = list.map((item) => item.toJSON());
+      reply(listAsJSON.length === 1 ? listAsJSON[0] : listAsJSON);
     },
 
     config,
@@ -283,7 +285,8 @@ export const destroyScope = ({ server, model, prefix = '/', config }) => {
 
       await Promise.all(list.map(instance => instance.destroy()));
 
-      reply(list);
+      const listAsJSON = list.map((item) => item.toJSON());
+      reply(listAsJSON.length === 1 ? listAsJSON[0] : listAsJSON);
     },
     config: _.defaultsDeep(config, {
       validate: {
@@ -309,7 +312,7 @@ export const update = ({ server, model, prefix = '/', config }) => {
 
       await instance.update(request.payload);
 
-      reply(instance);
+      reply(instance.toJSON());
     },
 
     config: _.defaultsDeep(config, {
diff --git a/src/crud.test.js b/src/crud.test.js
index 26d002d..53c16c5 100644
--- a/src/crud.test.js
+++ b/src/crud.test.js
@@ -1,6 +1,7 @@
 import test from 'ava';
 import { list } from './crud.js';
 import { stub } from 'sinon';
+import uniqueId from 'lodash/uniqueId.js';
 import 'sinon-bluebird';
 
 const METHODS = {
@@ -13,12 +14,23 @@ test.beforeEach('setup server', (t) => {
   };
 });
 
-test.beforeEach('setup model', (t) => {
-  t.context.model = {
+const makeModel = () => {
+  const id = uniqueId();
+  return {
     findAll: stub(),
     _plural: 'models',
     _singular: 'model',
+    toJSON: () => ({ id }),
+    id,
   };
+};
+
+test.beforeEach('setup model', (t) => {
+  t.context.model = makeModel();
+});
+
+test.beforeEach('setup models', (t) => {
+  t.context.models = [t.context.model, makeModel()];
 });
 
 test.beforeEach('setup request stub', (t) => {
@@ -93,12 +105,11 @@ test('crud#list config', (t) => {
 });
 
 test('crud#list handler', async (t) => {
-  const { server, model, request, reply } = t.context;
-  const allModels = [{ id: 1 }, { id: 2 }];
+  const { server, model, request, reply, models } = t.context;
 
   list({ server, model });
   const { handler } = server.route.args[0][0];
-  model.findAll.resolves(allModels);
+  model.findAll.resolves(models);
 
   try {
     await handler(request, reply);
@@ -115,9 +126,9 @@ test('crud#list handler', async (t) => {
 
   const response = reply.args[0][0];
 
-  t.is(
+  t.deepEqual(
     response,
-    allModels,
+    models.map(({ id }) => ({ id })),
     'responds with the list of models'
   );
 });