diff --git a/playbooks/install_mqtt_srv.yml b/playbooks/install_mqtt_srv.yml
index 1cfc487..a9397d5 100644
--- a/playbooks/install_mqtt_srv.yml
+++ b/playbooks/install_mqtt_srv.yml
@@ -1,4 +1,4 @@
-- hosts: datacenter
+- hosts: mqtt_srv
   name: Install mqtt_srv
   ignore_unreachable: true
   tasks: