diff --git a/.helm/ecamp3-logging/templates/filebeat/filebeat_config_map.yaml b/.helm/ecamp3-logging/templates/filebeat/filebeat_config_map.yaml
index e60792f416..fa6bd9d23f 100644
--- a/.helm/ecamp3-logging/templates/filebeat/filebeat_config_map.yaml
+++ b/.helm/ecamp3-logging/templates/filebeat/filebeat_config_map.yaml
@@ -74,6 +74,6 @@ data:
     cloud.auth: ${ELASTIC_CLOUD_AUTH}
 
     output.elasticsearch:
-      hosts: ['${ELASTICSEARCH_HOST:elasticsearch}:${ELASTICSEARCH_PORT:9200}']
-      username: ${ELASTICSEARCH_USERNAME}
-      password: ${ELASTICSEARCH_PASSWORD}
+      hosts: [ '${ELASTICSEARCH_HOST:elasticsearch}:${ELASTICSEARCH_PORT:9200}' ]
+      username: ${ELASTICSEARCH_USERNAME:-}
+      password: ${ELASTICSEARCH_PASSWORD:-}