diff --git a/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/beats/filebeat.yml b/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/beats/filebeat.yml
index f552bf08..6adf29a4 100644
--- a/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/beats/filebeat.yml
+++ b/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/beats/filebeat.yml
@@ -27,7 +27,7 @@ processors:
             container.image.name: docker.elastic.co/beats/metricbeat-oss
   - add_fields:
       fields:
-        cluster_id: ${OPENVIDU_PRO_CLUSTER_ID:${DOMAIN_OR_PUBLIC_IP}}
+        cluster_id: ${OPENVIDU_PRO_CLUSTER_ID:${DOMAIN_OR_PUBLIC_IP:undefined}}
         cluster_role: masternode
 
 output:
diff --git a/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/beats/metricbeat.yml b/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/beats/metricbeat.yml
index d8cafc3b..579238fb 100644
--- a/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/beats/metricbeat.yml
+++ b/openvidu-server/deployments/pro/docker-compose/openvidu-server-pro/beats/metricbeat.yml
@@ -31,7 +31,7 @@ metricbeat.modules:
     period: ${OPENVIDU_PRO_STATS_MONITORING_INTERVAL}s
     cpu.metrics: [normalized_percentages]
 fields:
-    cluster_id: ${OPENVIDU_PRO_CLUSTER_ID:${DOMAIN_OR_PUBLIC_IP}}
+    cluster_id: ${OPENVIDU_PRO_CLUSTER_ID:${DOMAIN_OR_PUBLIC_IP:undefined}}
     cluster_role: masternode
 output:
   elasticsearch: