diff --git a/temp_file/app/controllers/admin/sites_controller.rb b/temp_file/app/controllers/admin/sites_controller.rb
index 3e38e87..8079ec3 100644
--- a/temp_file/app/controllers/admin/sites_controller.rb
+++ b/temp_file/app/controllers/admin/sites_controller.rb
@@ -4,12 +4,12 @@ class Admin::SitesController < OrbitAdminController
   begin
     include BundlerHelper
   rescue
-    def bundler_with_clean_env
+    def bundler_with_clean_env(&block)
       if block_given?
         if Bundler.respond_to?(:with_unbundled_env)
-          Bundler.with_unbundled_env(&Proc.new)
+          Bundler.with_unbundled_env(&block)
         else
-          Bundler.with_clean_env(&Proc.new)
+          Bundler.with_clean_env(&block)
         end
       end
     end