diff --git a/config/initializers/005-site_settings.rb b/config/initializers/005-site_settings.rb
index 7f4470417f..4ecaa85df3 100644
--- a/config/initializers/005-site_settings.rb
+++ b/config/initializers/005-site_settings.rb
@@ -6,6 +6,10 @@
 Discourse.git_version
 
 if GlobalSetting.skip_redis?
+  # Requiring this file explicitly prevents it from being autoloaded and so the
+  # provider attribute is not cleared
+  require File.expand_path('../../../app/models/site_setting', __FILE__)
+
   require 'site_settings/local_process_provider'
   Rails.cache = Discourse.cache
   SiteSetting.provider = SiteSettings::LocalProcessProvider.new