diff --git a/roles/icinga2_master/templates/zones.d/master/services/common.conf.j2 b/roles/icinga2_master/templates/zones.d/master/services/common.conf.j2
index d165a2a..dccdc0e 100644
--- a/roles/icinga2_master/templates/zones.d/master/services/common.conf.j2
+++ b/roles/icinga2_master/templates/zones.d/master/services/common.conf.j2
@@ -75,6 +75,7 @@ apply Service "users" {
 apply Service "ntp" {
     import "generic-service"
     check_command = "ntp_time"
+    vars.ntp_address = "debian.pool.ntp.org"
     command_endpoint = host.name
     assign where true
 }