diff --git a/root/usr/share/mozilla-mcd/thunderbird.mod.im.php b/root/usr/share/mozilla-mcd/thunderbird.mod.im.php
index aba367f..a113e33 100644
--- a/root/usr/share/mozilla-mcd/thunderbird.mod.im.php
+++ b/root/usr/share/mozilla-mcd/thunderbird.mod.im.php
@@ -1,6 +1,7 @@
 <?php echo $pref;?>("messenger.account.account1.alias", "<?php echo $user[0]['cn'][0]; ?>");
 <?php echo $pref;?>("messenger.account.account1.autoLogin", true);
 <?php echo $pref;?>("messenger.account.account1.name", "<?php echo $uid; ?>@<?php echo DOMAIN; ?>");
+<?php echo $pref;?>("messenger.account.account1.options.server", "<?php echo HOSTNAME; ?>.<?php echo DOMAIN; ?>");
 <?php echo $pref;?>("messenger.account.account1.prpl", "prpl-jabber");
 <?php echo $pref;?>("messenger.account.account1.options.connection_security", "require_tls");
 <?php echo $pref;?>("messenger.accounts", "account1");