diff --git a/group_vars/cachan/ntp.yml b/group_vars/cachan/ntp.yml
index 3a295b38..db570f3c 100644
--- a/group_vars/cachan/ntp.yml
+++ b/group_vars/cachan/ntp.yml
@@ -1,3 +1,4 @@
-glob_ntp_client:
+---
+loc_ntp_client:
   servers:
     - ntp.cachan-adm.crans.org
diff --git a/plays/ntp.yml b/plays/ntp.yml
index 0ba9a409..74918669 100755
--- a/plays/ntp.yml
+++ b/plays/ntp.yml
@@ -1,7 +1,7 @@
 #!/usr/bin/env ansible-playbook
 ---
-# NTP client is in root.yml
+# NTP client is in utilities.yml
 
-- hosts: charybde.adm.crans.org
+- hosts: ntp_server
   roles:
     - ntp-server