diff --git a/mailserver.yml b/mailserver.yml
index 56ac56a..8e76fe9 100755
--- a/mailserver.yml
+++ b/mailserver.yml
@@ -2,7 +2,7 @@
 ---
 # Deploy mail server
 - hosts: mail.auro.re
-  roles:
+  roles: |
     - mail-utils
     - mail-certificates
     - nfs-client