diff --git a/site-modules/profile/templates/logstash/output.conf.erb b/site-modules/profile/templates/logstash/output.conf.erb
index 0438ac78..fc30e5ec 100644
--- a/site-modules/profile/templates/logstash/output.conf.erb
+++ b/site-modules/profile/templates/logstash/output.conf.erb
@@ -1,27 +1,30 @@
 output {
     if [fields][apache_log_type] == "access_log" {
         elasticsearch {
-		hosts => [
-			"esnode1.internal.softwareheritage.org:9200",
-			"esnode2.internal.softwareheritage.org:9200"
-		]
+                hosts => [
+                        "esnode1.internal.softwareheritage.org:9200",
+                        "esnode2.internal.softwareheritage.org:9200",
+                        "esnode3.internal.softwareheritage.org:9200"
+                ]
                 index => "apache_logs-%{+YYYY.MM.dd}"
-	}
+        }
     } else if "swh-worker@" in [systemd_unit] {
         elasticsearch {
-		hosts => [
-			"esnode1.internal.softwareheritage.org:9200",
-			"esnode2.internal.softwareheritage.org:9200"
-		]
+                hosts => [
+                        "esnode1.internal.softwareheritage.org:9200",
+                        "esnode2.internal.softwareheritage.org:9200",
+                        "esnode3.internal.softwareheritage.org:9200"
+                ]
                 index => "swh_workers-%{+YYYY.MM.dd}"
         }
     } else {
         elasticsearch {
-		hosts => [
-			"esnode1.internal.softwareheritage.org:9200",
-			"esnode2.internal.softwareheritage.org:9200"
-		]
+                hosts => [
+                        "esnode1.internal.softwareheritage.org:9200",
+                        "esnode2.internal.softwareheritage.org:9200",
+                        "esnode3.internal.softwareheritage.org:9200"
+                ]
                 index => "systemlogs-%{+YYYY.MM.dd}"
         }
     }
 }