diff --git a/lib/spree/core/controller_helpers/common.rb b/lib/spree/core/controller_helpers/common.rb
index 78625c0bd8..27684873b4 100644
--- a/lib/spree/core/controller_helpers/common.rb
+++ b/lib/spree/core/controller_helpers/common.rb
@@ -42,7 +42,7 @@ module Spree
             respond_to do |type|
               type.html {
                 render status: :not_found,
-                       file: "#{::Rails.root}/public/404",
+                       file: Rails.root.join("public/404.html"),
                        formats: [:html],
                        layout: nil
               }