diff --git a/lib/rspec/rails/mocha.rb b/lib/rspec/rails/mocha.rb
index cf5cd97..07a3cea 100644
--- a/lib/rspec/rails/mocha.rb
+++ b/lib/rspec/rails/mocha.rb
@@ -75,7 +75,7 @@ def mock_model(string_or_model_class, stubs = {})
         stubs = stubs.reverse_merge(:persisted? => !!stubs[:id])
         stubs = stubs.reverse_merge(:destroyed? => false)
         stubs = stubs.reverse_merge(:marked_for_destruction? => false)
-        stubs = stubs.reverse_merge(:errors => stub("errors", :count => 0, :[] => []))
+        stubs = stubs.reverse_merge(:errors => stub("errors", :count => 0, :[] => [], :empty? => true))
 
         stub("#{model_class.name}_#{stubs[:id]}", stubs).tap do |m|
           m.extend ActiveModelInstanceMethods
diff --git a/spec/mocha_spec.rb b/spec/mocha_spec.rb
index e0b7c09..121667d 100644
--- a/spec/mocha_spec.rb
+++ b/spec/mocha_spec.rb
@@ -90,6 +90,7 @@ def create(*args)
     
     it "should have no errors" do
       create(Person).errors.count.should == 0
+      create(Person).errors.empty?.should be_true
       create(Person).errors[:name].should == []
     end
   end