diff --git a/lib/rubocop/cop/rails/http_positional_arguments.rb b/lib/rubocop/cop/rails/http_positional_arguments.rb
index 361e5e5b2c..d5d9298c47 100644
--- a/lib/rubocop/cop/rails/http_positional_arguments.rb
+++ b/lib/rubocop/cop/rails/http_positional_arguments.rb
@@ -24,7 +24,7 @@ class HttpPositionalArguments < Base
 
         MSG = 'Use keyword arguments instead of positional arguments for http call: `%<verb>s`.'
         KEYWORD_ARGS = %i[method params session body flash xhr as headers env to].freeze
-        ROUTING_METHODS = %i[draw routes].freeze
+        ROUTING_METHODS = %i[draw routes append].freeze
         RESTRICT_ON_SEND = %i[get post put patch delete head].freeze
 
         minimum_target_rails_version 5.0