diff --git a/logstash/conf.d/10-input.conf b/logstash/conf.d/10-input.conf
index 3fc28dd..f42a7b7 100644
--- a/logstash/conf.d/10-input.conf
+++ b/logstash/conf.d/10-input.conf
@@ -5,7 +5,7 @@ input {
     sincedb_path => "/dev/null"
     add_field => {
         "type" => "temperature"
-        "host.hostname" => "praguetopbox"
+        "host.hostname" => "%{HOSTNAME}"
     }
   }
 
@@ -15,7 +15,7 @@ input {
     sincedb_path => "/dev/null"
     add_field => {
         "type" => "power"
-        "host.hostname" => "praguetopbox"
+        "host.hostname" => "%{HOSTNAME}"
     }
   }
 
@@ -25,7 +25,7 @@ input {
     sincedb_path => "/dev/null"
     add_field => {
         "type" => "disk"
-        "host.hostname" => "praguetopbox"
+        "host.hostname" => "%{HOSTNAME}"
     }
   }
 }
\ No newline at end of file