diff --git a/conf/monitor-backup b/conf/monitor-backup
index 8dc73ef..7ecc10b 100644
--- a/conf/monitor-backup
+++ b/conf/monitor-backup
@@ -1,2 +1,2 @@
 SHELL=/bin/bash
-0 9,20 * * * root : Monitor __SSH_USER__ backup ; ALERT_DELAY="$(grep '^alert_delay: ' /etc/yunohost/apps/__APP__/settings.yml | awk '{print $2}')"; [[ $(find /home/__SSH_USER__/backup/data -follow -mtime -${ALERT_DELAY} -ls | wc -l) > 0 ]] || ( echo "No file has been backuped in /home/__SSH_USER__ since ${ALERT_DELAY} days" | mail -s "[YNH] Backup missing : __SSH_USER__" $(grep '^alert_mails: ' /etc/yunohost/apps/__APP__/settings.yml | awk '{print $2}'))
+0 9,20 * * * root : Monitor __SSH_USER__ backup ; ALERT_DELAY="$(grep '^alert_delay: ' /etc/yunohost/apps/__APP__/settings.yml | awk -F\' '{print $2}')"; [[ $(find /home/__SSH_USER__/backup/data -follow -mtime -${ALERT_DELAY} -ls | wc -l) > 0 ]] || ( echo "No file has been backuped in /home/__SSH_USER__ since ${ALERT_DELAY} days" | mail -s "[YNH] Backup missing : __SSH_USER__" $(grep '^alert_mails: ' /etc/yunohost/apps/__APP__/settings.yml | awk '{print $2}'))