diff --git a/actionview/test/abstract_unit.rb b/actionview/test/abstract_unit.rb
index ddd34da7bd..b67fd260e6 100644
--- a/actionview/test/abstract_unit.rb
+++ b/actionview/test/abstract_unit.rb
@@ -151,7 +151,7 @@ module ActionController
         define_method(:setup) do
           super()
           @routes = routes
-          @controller.singleton_class.include @routes.url_helpers
+          @controller.singleton_class.include @routes.url_helpers if @controller
         end
       }
       routes