diff --git a/maintenance/Dockerfile b/maintenance/Dockerfile
index 31b2a50..cfdaa00 100644
--- a/maintenance/Dockerfile
+++ b/maintenance/Dockerfile
@@ -1,4 +1,4 @@
-FROM mongo:latest
+FROM mongo:3.4
 MAINTAINER The SlideWiki Project <dev@slidewiki.org>
 
 # ---------------- #
@@ -37,5 +37,5 @@ RUN apt-get autoremove -y && apt-get -y clean && \
 		rm -rf /var/lib/apt/lists/*
 
 Entrypoint []
-#CMD supervisord
-CMD http-server -p 80 -i
+CMD supervisord
+#CMD http-server -p 80 -i
diff --git a/maintenance/crontab b/maintenance/crontab
index 93ccbd7..681de70 100644
--- a/maintenance/crontab
+++ b/maintenance/crontab
@@ -1,2 +1,3 @@
-@daily root /backup.sh &>> /var/log/cron.log
+0 0 * * * root /backup.sh >> /var/log/cron.log 2>&1
+#* * * * * root echo "Hello world" >> /var/log/cron.log 2>&1
 # An empty line is required at the end of this file for a valid cron file.