diff --git a/tasks/backup.yml b/tasks/backup.yml
index c55b2c70506699e3123c0ac522dd061b69048945..d54b4e2dad2646517cc5a7d449662c8849c78bd1 100644
--- a/tasks/backup.yml
+++ b/tasks/backup.yml
@@ -17,6 +17,6 @@
 - name: add backup cleanup cronjob
   cron:
     name: mongodb backup cleanup
-    job: 'find /opt/mongodbbackup/ -mtime +{{ mongodb.backup.keep_days - 1 }} -type d -mindepth 1 -exec rm -r {} \;'
+    job: 'find /opt/mongodbbackup/ -mindepth 1 -maxdepth 1 -mtime +{{ mongodb.backup.keep_days - 1 }} -type d -exec rm -r {} \;'
     minute: "0"
     hour: "5"