diff --git a/group_vars/pyrocufflink/main.yml b/group_vars/pyrocufflink/main.yml
index 67518c9..44fba34 100644
--- a/group_vars/pyrocufflink/main.yml
+++ b/group_vars/pyrocufflink/main.yml
@@ -1,4 +1,5 @@
 krb5_realm: PYROCUFFLINK.BLUE
+samba_security: ads
 samba_use_winbind: true
 pam_winbind: true
 nss_winbind: true