diff --git a/lib/active_mocker/rspec_helper.rb b/lib/active_mocker/rspec_helper.rb
index <HASH>..<HASH> 100644
--- a/lib/active_mocker/rspec_helper.rb
+++ b/lib/active_mocker/rspec_helper.rb
@@ -1,3 +1,5 @@
+require 'active_mocker/loaded_mocks'
+
 RSpec.configure do |config|
 
   def mock_class(class_name)
Require loaded_mocks

If no mocks are required the constant lookup fails.