diff --git a/group_vars/mail.yaml b/group_vars/mail.yaml
index 0e941d9..70e1bf2 100644
--- a/group_vars/mail.yaml
+++ b/group_vars/mail.yaml
@@ -1,3 +1,3 @@
 ---
 checks :
-    - { user : nobody, name : mail_queue, cmd : ""}
+    - { user : nobody, name : mail_queue, cmd : "/usr/lib/nagios/plugins/check_mailq -w 10 -c 20"}