diff --git a/tasks/cluster_k3s.yml b/tasks/cluster_k3s.yml
index cc13ecb..c46469f 100644
--- a/tasks/cluster_k3s.yml
+++ b/tasks/cluster_k3s.yml
@@ -67,26 +67,26 @@
 
 - name: Create thin volumes for k3s
   lvol:
-    vg: {{ item.vg }}
-    lv: {{ item.name }}
+    vg: "{{ item.vg }}"
+    lv: "{{ item.name }}"
     thinpool: kubernetes
-    size: {{ item.size }}
+    size: "{{ item.size }}"
   with_items:
     - { name: var_lib_k3s, vg: vg_sys, size: 10g, mount_point: /var/lib/rancher/k3s}
 
 - name: create file system on containerd lv
   filesystem:
     fstype: ext4
-    dev: /dev/{{ item.vg }}/{{ item.name }}
+    dev: "/dev/{{ item.vg }}/{{ item.name }}"
   with_items:
     - { name: var_lib_k3s, vg: vg_sys, size: 10g, mount_point: /var/lib/rancher/k3s}
 
 - name: mount logical volumes
   mount:
-    name: {{ item.mount_point }}
-    src: /dev/{{ item.vg }}/{{ item.name }}
+    name: "{{ item.mount_point }}"
+    src: "/dev/{{ item.vg }}/{{ item.name }}"
     fstype: ext4
-    opts: {{ item.mount_opts }}
+    opts: "{{ item.mount_opts }}"
     state: mounted
   with_items:
     - { name: var_lib_k3s, vg: vg_sys, size: 10g, mount_point: /var/lib/rancher/k3s}