diff --git a/metrics.env b/metrics.env
index ac03467..73297b5 100644
--- a/metrics.env
+++ b/metrics.env
@@ -5,3 +5,4 @@ firehose.sample-service.application=sampleservice
 
 # another metric from the same sample service endpoint
 firehose.sampleservice_additional.uri=http://sample-service:8080/sample-service/resources/metrics/additional
+firehose.sampleservice_additional.application=sampleservice