diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 65d688e413..ddce4935d7 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -14,7 +14,7 @@ require_dependency 'global_path'
 require_dependency 'secure_session'
 require_dependency 'topic_query'
 require_dependency 'hijack'
-require_dependency 'read_only'
+require_dependency 'read_only_header'
 
 class ApplicationController < ActionController::Base
   include CurrentUser
@@ -22,7 +22,7 @@ class ApplicationController < ActionController::Base
   include JsonError
   include GlobalPath
   include Hijack
-  include ReadOnly
+  include ReadOnlyHeader
 
   attr_reader :theme_ids
 
diff --git a/app/controllers/forums_controller.rb b/app/controllers/forums_controller.rb
index b3b0a74992..734d475ee1 100644
--- a/app/controllers/forums_controller.rb
+++ b/app/controllers/forums_controller.rb
@@ -1,18 +1,18 @@
 # frozen_string_literal: true
 
-require "read_only"
+require "read_only_header"
 
 class ForumsController < ActionController::Base
-  include ReadOnly
+  include ReadOnlyHeader
 
   before_action :check_readonly_mode
   after_action  :add_readonly_header
 
   def status
     if $shutdown
-      render plain: 'shutting down', status: 500
+      render plain: "shutting down", status: 500
     else
-      render plain: 'ok'
+      render plain: "ok"
     end
   end
 
diff --git a/lib/read_only.rb b/lib/read_only_header.rb
similarity index 90%
rename from lib/read_only.rb
rename to lib/read_only_header.rb
index d095d18ad8..51cb2447ba 100644
--- a/lib/read_only.rb
+++ b/lib/read_only_header.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-module ReadOnly
+module ReadOnlyHeader
 
   def check_readonly_mode
     @readonly_mode = Discourse.readonly_mode?