diff --git a/ansible/roles/monitoring/elasticsearch.yml.j2 b/ansible/roles/monitoring/elasticsearch.yml.j2
index ce36414..508bbc0 100644
--- a/ansible/roles/monitoring/elasticsearch.yml.j2
+++ b/ansible/roles/monitoring/elasticsearch.yml.j2
@@ -5,7 +5,7 @@ datasources:
   - name: cpu
     type: elasticsearch
     access: proxy
-    url: http://maestro.dmz:14653
+    url: http://maestro.dmz:{{ elasticsearch_port }}
     jsonData:
       index: 'fluentd.cpu'
       timeField: '@timestamp'
@@ -13,7 +13,7 @@ datasources:
   - name: memory
     type: elasticsearch
     access: proxy
-    url: http://maestro.dmz:14653
+    url: http://maestro.dmz:{{ elasticsearch_port }}
     jsonData:
       index: 'fluentd.memory'
       timeField: '@timestamp'