diff --git a/backups/rsyncvolumes/Dockerfile b/backups/rsyncvolumes/Dockerfile
index 7c6198f..845c0f0 100644
--- a/backups/rsyncvolumes/Dockerfile
+++ b/backups/rsyncvolumes/Dockerfile
@@ -7,6 +7,9 @@ ENV DEST /var/backups/
 RUN apt-get update && apt-get install --no-install-recommends -y \
       cron gettext-base rsync python-minimal libpython-stdlib
 
+# Avoid overlayfs bug with tail
+VOLUME /var/log
+
 COPY crontab /etc/crontab
 RUN chmod 644 /etc/crontab
 
diff --git a/backups/rsyncvolumes/crontab b/backups/rsyncvolumes/crontab
index 71306ea..bd6c0bd 100644
--- a/backups/rsyncvolumes/crontab
+++ b/backups/rsyncvolumes/crontab
@@ -1,5 +1,6 @@
 # hourly backup
 # m h dom mon dow user	command
-15 *	* * *	root	/bin/bash /opt/backup/rsync.sh > /proc/1/fd/1 2>/proc/1/fd/2
-0 3	* * *	root	/usr/bin/python /opt/backup/plan.py > /proc/1/fd/1 2>/proc/1/fd/2
+15 *	* * *	root	/bin/bash /opt/backup/rsync.sh >> /var/log/cron.log 2>&1
+0 3	* * *	root	/usr/bin/python /opt/backup/plan.py >> /var/log/cron.log 2>&1
 # empty line needed
+
diff --git a/backups/rsyncvolumes/launch.sh b/backups/rsyncvolumes/launch.sh
index 7c4b5c7..29ad6bc 100644
--- a/backups/rsyncvolumes/launch.sh
+++ b/backups/rsyncvolumes/launch.sh
@@ -2,4 +2,4 @@
 
 envsubst < /opt/backup/rsync.template > /opt/backup/rsync.sh
 envsubst < /opt/backup/plan.tpl.py > /opt/backup/plan.py
-cron -f
+touch /var/log/cron.log && cron && tail -f /var/log/cron.log
diff --git a/odoo/backups/Dockerfile b/odoo/backups/Dockerfile
index 87dd09d..ab9e538 100644
--- a/odoo/backups/Dockerfile
+++ b/odoo/backups/Dockerfile
@@ -10,6 +10,9 @@ USER root
 RUN mkdir backups
 RUN apt-get install -y --no-install-recommends cron gettext-base
 
+# Avoid overlayfs bug with tail
+VOLUME /var/log
+
 COPY crontab /etc/crontab
 RUN chmod 644 /etc/crontab
 
diff --git a/odoo/backups/crontab b/odoo/backups/crontab
index 8eebfbc..7b0c140 100644
--- a/odoo/backups/crontab
+++ b/odoo/backups/crontab
@@ -1,5 +1,6 @@
 # daily odoo backup
 # m h dom mon dow user	command
-0 2	* * *	odoo	/bin/bash /home/odoo/backup.sh > /proc/1/fd/1 2>/proc/1/fd/2
-10 2	* * *	odoo	/usr/bin/python /home/odoo/plan.py /proc/1/fd/1 2>/proc/1/fd/2
+0 2	* * *	odoo	/bin/bash /home/odoo/backup.sh >> /var/log/cron.log 2>&1
+10 2	* * *	odoo	/usr/bin/python /home/odoo/plan.py >> /var/log/cron.log 2>&1
 # empty line required at the end of this file for a valid cron file.
+
diff --git a/odoo/backups/launch.sh b/odoo/backups/launch.sh
index 558e464..098b975 100644
--- a/odoo/backups/launch.sh
+++ b/odoo/backups/launch.sh
@@ -2,4 +2,4 @@
 
 envsubst < /home/odoo/backup.template > /home/odoo/backup.sh
 chown odoo:odoo /home/odoo/backup.sh
-cron -f
+touch /var/log/cron.log && cron && tail -f /var/log/cron.log