diff --git a/lib/middleware/discourse_public_exceptions.rb b/lib/middleware/discourse_public_exceptions.rb
index b507bc867a..931910cb00 100644
--- a/lib/middleware/discourse_public_exceptions.rb
+++ b/lib/middleware/discourse_public_exceptions.rb
@@ -10,6 +10,7 @@ module Middleware
           Rack::QueryParser::InvalidParameterError,
           ActionController::BadRequest,
           ActionDispatch::Http::Parameters::ParseError,
+          ActionController::RoutingError,
         ],
       )