diff --git a/lib/appenders/logstashUDP.js b/lib/appenders/logstashUDP.js
index 504f3ee..a0e3df2 100644
--- a/lib/appenders/logstashUDP.js
+++ b/lib/appenders/logstashUDP.js
@@ -33,6 +33,7 @@ function logstashUDP (config, layout) {
       }
     }
     config.fields.level = loggingEvent.level.levelStr;
+    config.fields.category = loggingEvent.categoryName;
 
     var logObject = {
       "@version" : "1",