diff --git a/lib/logstasher/action_view/log_subscriber.rb b/lib/logstasher/action_view/log_subscriber.rb
index dc8d215..4e73c7a 100644
--- a/lib/logstasher/action_view/log_subscriber.rb
+++ b/lib/logstasher/action_view/log_subscriber.rb
@@ -62,7 +62,6 @@ def runtimes(event)
 
       def extract_custom_fields(data)
         custom_fields = (!LogStasher.custom_fields.empty? && data.extract!(*LogStasher.custom_fields)) || {}
-        LogStasher.custom_fields.clear
         custom_fields
       end
     end