diff --git a/roles/nextcloud_instance/templates/nextcloud_app_install.j2 b/roles/nextcloud_instance/templates/nextcloud_app_install.j2
index 3ecf1479aaeca8910d164dcce68f8a427dcf4806..96ea0cbf80a3328a3f3fc0b930800b94a47e6daf 100644
--- a/roles/nextcloud_instance/templates/nextcloud_app_install.j2
+++ b/roles/nextcloud_instance/templates/nextcloud_app_install.j2
@@ -36,6 +36,7 @@ sudo -u www-data php occ config:system:set default_language --value="fr"
 sudo -u www-data php occ config:system:set default_phone_region --value="FR"
 sudo -u www-data php occ config:system:set knowledgebaseenabled --value="true" --type=boolean
 sudo -u www-data php occ user:setting admin settings lang "fr"
+sudo -u www-data php occ config:system:set trashbin_retention_obligation --value="30,45"
 
 sudo -u www-data php occ background:cron