diff --git a/roles/ariane/tasks/zfs.yml b/roles/ariane/tasks/zfs.yml
index 3ac8dda..3c5149d 100644
--- a/roles/ariane/tasks/zfs.yml
+++ b/roles/ariane/tasks/zfs.yml
@@ -1,15 +1,30 @@
 ---
 - name: zfs - linux-headers
-  apt: name=linux-headers-{{ ansible_kernel }} state=latest
+  apt: name=linux-headers-{{ ansible_kernel }}
 
 - name: zfs - install ZoL dkms
-  apt: name=zfs-dkms state=latest
+  apt: name=zfs-dkms
 
 - name: zfs - install ZoL utils
-  apt: name=zfsutils-linux state=latest
+  apt: name=zfsutils-linux
 
 - name: zfs - install zfs-auto-snapshot
-  apt: name=zfs-auto-snapshot state=latest
+  apt: name=zfs-auto-snapshot
+
+- name: zfs - zfs-auto-snapshot find cron files
+  shell: find /etc/cron* -type f -name zfs-auto-snapshot
+  register: snapshot_cron
+
+- name: ddd
+  debug: var=snapshot_cron.stdout_lines
+
+- name: zfs - zfs-auto-snapshot prefix
+  lineinfile:
+    dest: "{{ item }}"
+    regexp: (.*zfs-auto-snapshot.*\d+)\ \ \/\/
+    line: \1 --prefix= //
+    backrefs: yes
+  with_items: "{{ snapshot_cron.stdout_lines }}"
 
 - name: zfs - load module
   modprobe: name=zfs