diff --git a/data_disk/tasks/main.yml b/data_disk/tasks/main.yml
index dc57ebd1..34cce5ac 100644
--- a/data_disk/tasks/main.yml
+++ b/data_disk/tasks/main.yml
@@ -9,8 +9,8 @@
 
 - name: Manage the additional file systems
   mount: name={{ item.mountpoint }} src=/dev/{{ item.device }} fstype={{ item.fstype }} opts={{ item.opts }} state={{ item.state }}
-  with_items: disks_and_mountpoints_list
+  with_items: '{{ disks_and_mountpoints_list }}'
   when: additional_disks
   tags: [ 'data_disk', 'mountpoint' ]
 
-  
\ No newline at end of file
+