1 files changed, 4 insertions, 2 deletions
diff --git a/actionpack/test/controller/render_test.rb b/actionpack/test/controller/render_test.rb
index d3051ef6ad..98d279055d 100644
--- a/actionpack/test/controller/render_test.rb
+++ b/actionpack/test/controller/render_test.rb
@@ -1,6 +1,8 @@
 require File.dirname(__FILE__) + '/../abstract_unit'
 
-Customer = Struct.new("Customer", :name)
+unless defined?(Customer)
+  Customer = Struct.new("Customer", :name)
+end
 
 module Fun
   class GamesController < ActionController::Base
@@ -214,4 +216,4 @@ class RenderTest < Test::Unit::TestCase
     def process_request
       TestController.process(@request, @response)
     end
-end
-\ No newline at end of file
+end