diff --git a/roles/backup-size-logger/tasks/main.yml b/roles/backup-size-logger/tasks/main.yml
index d06c3eb..b138ae1 100644
--- a/roles/backup-size-logger/tasks/main.yml
+++ b/roles/backup-size-logger/tasks/main.yml
@@ -1,21 +1,21 @@
 ---
 - name: install config file with backup credentials
   template:
     src: backup-credentials.cfg
     dest: /root/bin/backup-credentials.cfg
     mode: 0600
 
 - name: install script to collect backup sizes
   copy:
     src: backup-space-log.py
     dest: /root/bin/backup-space-log.py
     mode: 0744
 
 - name: configure cronjob to run size script
   cron:
     # TODO make time configurable per server
     hour: 2
     minute: 0
     user: root
-    job: /root/bin/backup-space-log.py
+    job: "/root/bin/backup-space-log.py > /dev/null"
     name: "log backup size"