diff --git a/tasks/base.yml b/tasks/base.yml
index fe0d1b8..9c2b59f 100644
--- a/tasks/base.yml
+++ b/tasks/base.yml
@@ -69,3 +69,10 @@
     user: www-data
     minute: "*/10"
     name: nextcloud-cron
+
+- name: add preview cronjob for nextcloud
+  cron:
+    job: /usr/bin/php -f /var/www/nextcloud/occ preview:pre-generate
+    user: www-data
+    minute: "17,47"
+    name: nextcloud-preview-generate