diff --git a/spec/helpers/inputs_helper_spec.rb b/spec/helpers/inputs_helper_spec.rb
index <HASH>..<HASH> 100644
--- a/spec/helpers/inputs_helper_spec.rb
+++ b/spec/helpers/inputs_helper_spec.rb
@@ -57,6 +57,7 @@ describe 'Formtastic::FormBuilder#inputs' do
   
       before do
         @new_post.stub!(:respond_to?).and_return(true, true)
+        @new_post.stub!(:respond_to?).with(:empty?).and_return(false)
         @new_post.stub!(:author).and_return(@bob)
       end
Stub call to respond_to?(:empty?) that form_for makes in Rails 4