diff --git a/nextcloud/cron.sh b/nextcloud/cron.sh
index 4beb6fb..7c83ef3 100755
--- a/nextcloud/cron.sh
+++ b/nextcloud/cron.sh
@@ -9,8 +9,14 @@ mkdir -p /run/php
 export USER=www-data HOME=/home/www-data
 
 echo "Syncing system address books with dav"
-su -s /var/www/nextcloud/occ www-data dav:sync-system-addressbook
+su -s /var/www/nextcloud/occ www-data -- dav:sync-system-addressbook
 
 echo "Running cron.php"
 su -s /usr/bin/php www-data /var/www/nextcloud/cron.php
 
+echo "Add missing db indices"
+su -s /var/www/nextcloud/occ www-data -- db:add-missing-indices
+
+echo "Running expensive maintenance repair tasks"
+su -s /var/www/nextcloud/occ www-data -- maintenance:repair --include-expensive
+