diff --git a/lib/semantic/dev_loader.rb b/lib/semantic/dev_loader.rb
index 51ec0c7..c33d4d8 100644
--- a/lib/semantic/dev_loader.rb
+++ b/lib/semantic/dev_loader.rb
@@ -3,15 +3,26 @@ module Semantic
   class DevLoader
     def initialize(session_key)
       @session_key = session_key
-
       force_preload_module
+
       once_and_reload do
         append_ansi_formatter
         register_log_subscriber
       end
 
-      # FIXME: when final
-      # Rails.logger.level = :error
+      # FIXME: proper unsubscribe!!!
+      RailsSemanticLogger::ActionController::LogSubscriber.logger.level = :fatal
+      # RailsSemanticLogger.swap_subscriber(
+      #   RailsSemanticLogger::ActionController::LogSubscriber,
+      #   @log_subscriber, # attach missing!!!
+      #   :action_controller
+      # )
+
+      # ActiveSupport::LogSubscriber.subscribers.each do |sub|
+      #   puts "subscriber #{sub.pattern}"
+      # end
+      # RailsSemanticLogger.swap_subscriber(RailsSemanticLogger::ActionController::LogSubscriber,
+      #                                     @log_subscriber, :action_controller)
     end
 
     private
diff --git a/lib/semantic/log_subscriber.rb b/lib/semantic/log_subscriber.rb
index d0e45d4..d53fb98 100644
--- a/lib/semantic/log_subscriber.rb
+++ b/lib/semantic/log_subscriber.rb
@@ -2,7 +2,7 @@ module Semantic
   class LogSubscriber < ActiveSupport::LogSubscriber
     include SemanticLogger::Loggable
     include AnsiColors
-    # def logger = SemanticLogger['Rails']
+    def logger = SemanticLogger['IRails']
 
     INTERNAL_PARAMS = %i[controller action format _method only_path].freeze
     DEFAULT_DEV_HOSTS = ['127.0.0.1', 'localhost'].freeze