diff --git a/config/application.rb b/config/application.rb
index 5a6899084c..f452dabff8 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -198,8 +198,10 @@ module Discourse
     # supports etags (post 1.7)
     config.middleware.delete Rack::ETag
 
-    require 'middleware/enforce_hostname'
-    config.middleware.insert_after Rack::MethodOverride, Middleware::EnforceHostname
+    unless Rails.env.development?
+      require 'middleware/enforce_hostname'
+      config.middleware.insert_after Rack::MethodOverride, Middleware::EnforceHostname
+    end
 
     require 'content_security_policy'
     config.middleware.swap ActionDispatch::ContentSecurityPolicy::Middleware, ContentSecurityPolicy::Middleware