lib/sentry/rails/tracing.rb in sentry-rails-4.7.3 vs lib/sentry/rails/tracing.rb in sentry-rails-4.8.0

@@ -19,10 +19,11 @@
         # need to avoid duplicated subscription
         return if @subscribed
 
         subscribers.each do |subscriber|
           subscriber.subscribe!
-          subscribed_tracing_events << subscriber::EVENT_NAME
+          @subscribed_tracing_events ||= []
+          @subscribed_tracing_events += subscriber::EVENT_NAMES
         end
 
         @subscribed = true
       end