diff --git a/libvirt/README.md b/libvirt/README.md
index 2a0206f..44b6c7a 100644
--- a/libvirt/README.md
+++ b/libvirt/README.md
@@ -1,4 +1,10 @@
 ## Installation
+If you have a ubuntu iso you want to use then create the `libvirt/vm` folder and copy it there to `ubuntu20_04.iso`
+```
+mkdir ~/mirror-env/libvirt/vm
+cp <ubuntu iso> ~/mirror-env/libvirt/vm/ubuntu20_04.iso
+```
+Note: the `libvirt/vm` folder and everything in it will be deleted by `cleanup.yml`
 ### Prerequisites (debian)
 
 Install QEMU and KVM
diff --git a/libvirt/main.yml b/libvirt/main.yml
index 0d5733b..77ecd2a 100644
--- a/libvirt/main.yml
+++ b/libvirt/main.yml
@@ -32,6 +32,7 @@
       get_url:
         url: "https://releases.ubuntu.com/20.04.3/ubuntu-20.04.3-live-server-amd64.iso"
         dest: "{{ playbook_dir }}/vm/ubuntu20_04.iso"
+        force: no
 
     - name: create mirbr0 bridge network
       command: "virsh -c qemu:///system {{ item }}"