diff --git a/lib/loopback.js b/lib/loopback.js
index fd96b8ea..568441d7 100644
--- a/lib/loopback.js
+++ b/lib/loopback.js
@@ -57,6 +57,11 @@ function createApplication() {
 
   utils.merge(app, proto);
 
+  // Create a new instance of models registry per each app instance
+  app.models = function() {
+    return proto.models.apply(this, arguments);
+  };
+
   return app;
 }
 
diff --git a/test/app.test.js b/test/app.test.js
index a806f251..eed3d7aa 100644
--- a/test/app.test.js
+++ b/test/app.test.js
@@ -76,10 +76,17 @@ describe('app', function() {
     });
   });
 
+  describe('app.models', function() {
+    it('is unique per app instance', function() {
+      var Color = app.model('Color', { dataSource: 'db' });
+      expect(app.models.Color).to.equal(Color);
+      var anotherApp = loopback();
+      expect(anotherApp.models.Color).to.equal(undefined);
+    });
+  });
+
   describe('app.boot([options])', function () {
     beforeEach(function () {
-      var app = this.app = loopback();
-
       app.boot({
         app: {
           port: 3000, 
diff --git a/test/support.js b/test/support.js
index 394bc6d4..85aac797 100644
--- a/test/support.js
+++ b/test/support.js
@@ -17,7 +17,7 @@ request = require('supertest');
 loopback.User.settings.saltWorkFactor = 4;
 
 beforeEach(function () {
-  app = loopback();
+  this.app = app = loopback();
 
   // setup default data sources
   loopback.setDefaultDataSourceForType('db', {