diff --git a/docker-compose/nextcloud/misc.sh.j2 b/docker-compose/nextcloud/misc.sh.j2
index 1a652c8b..501b3ac1 100644
--- a/docker-compose/nextcloud/misc.sh.j2
+++ b/docker-compose/nextcloud/misc.sh.j2
@@ -29,9 +29,12 @@ php occ config:system:set mail_sendmailmode --value="smtp"
 php occ config:system:set mail_smtphost --value="postfix"
 php occ config:system:set mail_smtpport --value="25"
 
+# trashbin auto-delete, https://docs.nextcloud.com/server/latest/admin_manual/configuration_files/trashbin_configuration.html
+php occ config:system:set trashbin_retention_obligation --value="auto, 21"
+
 # status
 echo Status
 php occ status
 php occ user:list
 
-# adhoc: docker exec --user www-data nextcloud-app php occ config:system:set trusted_domains 2 -- value=docker10.mgrote.net
+# adhoc: docker exec --user www-data nextcloud-app php occ config:system:set trusted_domains 2 --value=docker10.mgrote.net