diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 1d70ea6..a4d430f 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -45,6 +45,6 @@ class ApplicationController < ActionController::Base
   end
 
   def render_404
-    render file: "#{Rails.root}/public/404", status: :not_found
+    render file: "#{Rails.root}/public/404.html", status: :not_found
   end
 end