diff --git a/lib/re_track/tracker.rb b/lib/re_track/tracker.rb
index 7400947..f6870ff 100644
--- a/lib/re_track/tracker.rb
+++ b/lib/re_track/tracker.rb
@@ -9,13 +9,13 @@ module Tracker
     private
 
       TRACK = {
-        referer_url: -> (request) { request.headers['HTTP_REFERER'].presence || 'none' },
-        first_url: -> (request) { request.url },
-        user_agent: -> (request) { request.env['HTTP_USER_AGENT'] },
-        first_visited_at: -> (request) { Time.now },
-        ip: -> (request) { request.remote_ip },
-        accept_language: -> (request) { request.env['HTTP_ACCEPT_LANGUAGE'] },
-        forwarded_ip: -> (request) { request.env['HTTP_X_FORWARDED_FOR'] || request.env['HTTP_CLIENT_IP'] }
+        referer_url: ->(request) { request.headers['HTTP_REFERER'].presence || 'none' },
+        first_url: ->(request) { request.url },
+        user_agent: ->(request) { request.env['HTTP_USER_AGENT'] },
+        first_visited_at: ->(request) { Time.now },
+        ip: ->(request) { request.remote_ip },
+        accept_language: ->(request) { request.env['HTTP_ACCEPT_LANGUAGE'] },
+        forwarded_ip: ->(request) { request.env['HTTP_X_FORWARDED_FOR'] || request.env['HTTP_CLIENT_IP'] }
       }
 
       def rt_track_referer