diff --git a/data/hooks/backup/32-conf_cron b/data/hooks/backup/32-conf_cron
index 063ec1a3f..acbd009ab 100755
--- a/data/hooks/backup/32-conf_cron
+++ b/data/hooks/backup/32-conf_cron
@@ -10,6 +10,6 @@ source /usr/share/yunohost/helpers
 backup_dir="${1}/conf/cron"
 
 # Backup the configuration
-for f in $(ls -1B /etc/cron.d/yunohost*); do
+for f in $(ls -1B /etc/cron.d/yunohost* 2> /dev/null); do
   ynh_backup "$f" "${backup_dir}/${f##*/}"
 done