diff --git a/lib/rack/tracker/google_analytics/google_analytics.rb b/lib/rack/tracker/google_analytics/google_analytics.rb
index a18d1e0..259ba88 100644
--- a/lib/rack/tracker/google_analytics/google_analytics.rb
+++ b/lib/rack/tracker/google_analytics/google_analytics.rb
@@ -1,6 +1,6 @@
 class Rack::Tracker::GoogleAnalytics < Rack::Tracker::Handler
 
-  self.allowed_tracker_options = [:cookie_domain, :user_id]
+  self.allowed_tracker_options = [:cookie_domain, :user_id, :name]
 
   class Send < OpenStruct
     def initialize(attrs = {})
diff --git a/lib/rack/tracker/google_analytics/template/google_analytics.erb b/lib/rack/tracker/google_analytics/template/google_analytics.erb
index 000ff7c..ed47e73 100644
--- a/lib/rack/tracker/google_analytics/template/google_analytics.erb
+++ b/lib/rack/tracker/google_analytics/template/google_analytics.erb
@@ -5,9 +5,13 @@
     (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
     m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
     })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
-
-    ga('create', '<%= tracker %>', <%= tracker_options.to_json %>);
   }
+
+  ga(function() {
+    if (!ga.getByName('<%= tracker_options[:name] || 't0' %>')) {
+      ga('create', '<%= tracker %>', <%= tracker_options.to_json %>);
+    }
+  });
 <% if options[:enhanced_link_attribution] %>
   ga('require', 'linkid', 'linkid.js');
 <% end %>