diff --git a/VERSION b/VERSION
index c5d54ec..7c1886b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.0.9
+0.0.10
diff --git a/lib/semlogger.rb b/lib/semlogger.rb
index a4a071d..2004a68 100644
--- a/lib/semlogger.rb
+++ b/lib/semlogger.rb
@@ -72,9 +72,10 @@ class Semlogger < ::Logger
 	class <<self
 		attr_accessor :progname, :logger
 
-		def new_rails_logger config
+		def new_rails_logger config, logdev = nil
 			require 'semlogger/rack'
-			logdev = ::Rails.root.join( 'log', "#{::Rails.env.to_s.gsub('%', '%%')}.%Y-%m-%d.%$.log").to_s
+			logdev ||= ::Rails.root.join 'log', "#{::Rails.env.to_s.gsub('%', '%%')}.%Y-%m-%d.%$.log"
+			logdev = logdev.to_s
 			logger = nil
 			if Rails.env.production?
 				logger = new logdev
@@ -106,11 +107,12 @@ class Semlogger < ::Logger
 	end
 
 	def tagged *tags, &e
-		@tags += tags
+		@tags += tags.flatten.compact
 		tags = tags.size
 		yield
 	ensure
-		tags.times { @tags.pop }
+		#tags.times { @tags.pop }
+		@tags.slice! -tags .. -1
 	end
 
 	def add severity, message = nil, progname = nil, &block
diff --git a/lib/semlogger/rack.rb b/lib/semlogger/rack.rb
index 712c14c..57d3298 100644
--- a/lib/semlogger/rack.rb
+++ b/lib/semlogger/rack.rb
@@ -1,28 +1,43 @@
 class Semlogger::Rack < Rails::Rack::Logger
 	def initialize app, tags = nil, data = nil
 		super app, tags
-		@data = data
+		@data = data || {}
 	end
 
 	def call_app request, env
 		path = request.filtered_path
-		Semlogger.custom( :connection, request.ip, Thread.current.object_id, request.request_method, path).info
+		Rails.logger.custom( :connection, request.ip, Thread.current.object_id, request.request_method, path).info
 		@app.call env
 	ensure
 		ActiveSupport::LogSubscriber.flush_all!
 	end
 
 	def call env
-		if @data
-			Rails.logger.data( compute_data( env)) { super env }
-		else
-			super env
+		request = ActionDispatch::Request.new env
+		compute_tagged_ request do
+			compute_data_ request do
+				call_app request, env
+			end
 		end
 	end
 
-	def compute_data env
-		request = ActionDispatch::Request.new env
+	def compute_tagged_ request
+		if Rails.logger.respond_to? :tagged
+			Rails.logger.tagged( compute_tags( request)) { yield }
+		else
+			yield
+		end
+	end
 
+	def compute_data_ request
+		if Rails.logger.respond_to? :data
+			Rails.logger.data( compute_data( request)) { yield }
+		else
+			yield
+		end
+	end
+
+	def compute_data request
 		data = @data.dup
 		data.each do |k, v|
 			case v