diff --git a/backups/rsyncvolumes/Dockerfile b/backups/rsyncvolumes/Dockerfile
index 7c6198f..52747bf 100644
--- a/backups/rsyncvolumes/Dockerfile
+++ b/backups/rsyncvolumes/Dockerfile
@@ -9,6 +9,7 @@ RUN apt-get update && apt-get install --no-install-recommends -y \
 
 COPY crontab /etc/crontab
 RUN chmod 644 /etc/crontab
+RUN touch /var/log/cron.log
 
 WORKDIR /opt/backup
 COPY rsync.template .
diff --git a/backups/rsyncvolumes/crontab b/backups/rsyncvolumes/crontab
index 38a9a71..8e858fb 100644
--- a/backups/rsyncvolumes/crontab
+++ b/backups/rsyncvolumes/crontab
@@ -1,4 +1,6 @@
 # hourly backup
 # m h dom mon dow user	command
-0 *	* * *	root	/bin/bash /opt/backup/rsync.sh
-0 1	* * *	root	/bin/python /opt/backup/plan.py
+15 *	* * *	root	/bin/bash /opt/backup/rsync.sh >> /var/log/cron.log 2>&1
+* 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..a598515 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
+cron && tail -f /var/log/cron.log
diff --git a/odoo/backups/Dockerfile b/odoo/backups/Dockerfile
index 93dcc18..0f65d55 100644
--- a/odoo/backups/Dockerfile
+++ b/odoo/backups/Dockerfile
@@ -3,14 +3,21 @@ MAINTAINER Yaltik - Fabien Bourgeois <fabien@yaltik.com>
 
 ENV ODOO_ADMIN_PASSWORD admin
 ENV ODOO_DATABASES demo
+
 WORKDIR /home/odoo
 USER root
+
 RUN mkdir backups
 RUN apt-get install -y --no-install-recommends cron gettext-base
+
 COPY crontab /etc/crontab
 RUN chmod 644 /etc/crontab
+RUN touch /var/log/cron.log
+
 COPY backup.template .
 COPY launch.sh .
-RUN chown -R odoo:odoo .
+
+RUN chown -R odoo:odoo . && chown odoo:odoo /var/log/cron.log
 VOLUME /home/odoo/backups
+
 CMD bash launch.sh
diff --git a/odoo/backups/crontab b/odoo/backups/crontab
index c1a78f4..335b429 100644
--- a/odoo/backups/crontab
+++ b/odoo/backups/crontab
@@ -1,3 +1,5 @@
 # daily odoo backup
 # m h dom mon dow user	command
-0 0	* * *	odoo	/bin/bash /opt/odoo/backup.sh
+* 2	* * *	odoo	/bin/bash /home/odoo/backup.sh >> /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..cfc0505 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
+cron && tail -f /var/log/cron.log