diff --git a/roles/mail_server/templates/99-local.conf.j2 b/roles/mail_server/templates/99-local.conf.j2
index a0382137653dff2a0f459f18f4cf321ade806176..e9df402a4d98784e5c2ad5efb266a4b906ad0de2 100644
--- a/roles/mail_server/templates/99-local.conf.j2
+++ b/roles/mail_server/templates/99-local.conf.j2
@@ -14,8 +14,7 @@ userdb {
 
 # Mail storage configuration.
 mail_location = maildir:/var/{{ mail_user.name}}/%d/%n/Maildir
-# This is used for old workaround.org installations.
-#separator = .
+separator = {{ imap_folder_separator }}
 
 # Communication with other services.
 service auth {