diff --git a/backbone.js b/backbone.js
index 87560cde..7c0ccfd8 100644
--- a/backbone.js
+++ b/backbone.js
@@ -107,12 +107,12 @@
 
   // Create a new model, with defined attributes. A client id (`cid`)
   // is automatically generated and assigned for you.
-  Backbone.Model = function(attributes) {
+  Backbone.Model = function(attributes, options) {
     this.attributes = {};
     this.cid = _.uniqueId('c');
     this.set(attributes || {}, {silent : true});
     this._previousAttributes = _.clone(this.attributes);
-    if (this.initialize) this.initialize(attributes);
+    if (this.initialize) this.initialize(attributes, options);
   };
 
   // Attach all inheritable methods to the Model prototype.
diff --git a/test/model.js b/test/model.js
index 04cfa900..312a6f32 100644
--- a/test/model.js
+++ b/test/model.js
@@ -38,6 +38,16 @@ $(document).ready(function() {
     equals(model.one, 1);
   });
 
+  test("Model: initialize with attributes and options", function() {
+    var Model = Backbone.Model.extend({
+      initialize: function(attributes, options) {
+        this.one = options.one;
+      }
+    });
+    var model = new Model({}, {one: 1});
+    equals(model.one, 1);
+  });
+
   test("Model: url", function() {
     equals(doc.url(), '/collection/1-the-tempest');
     doc.collection = null;