diff --git a/setup/webmail.sh b/setup/webmail.sh
index ce5c3fd0..5f61b366 100755
--- a/setup/webmail.sh
+++ b/setup/webmail.sh
@@ -194,4 +194,5 @@ chmod 664 $STORAGE_ROOT/mail/roundcube/roundcube.sqlite
 
 # Enable PHP modules.
 phpenmod -v php mcrypt imap
+apt install -y php7.2-ldap
 restart_service php7.2-fpm