diff --git a/qm-cloud-init.adoc b/qm-cloud-init.adoc
index 25cd700..618d0f7 100644
--- a/qm-cloud-init.adoc
+++ b/qm-cloud-init.adoc
@@ -69,7 +69,7 @@ qm create 9000 --memory 2048 --net0 virtio,bridge=vmbr0
 qm importdisk 9000 bionic-server-cloudimg-amd64.img local-lvm
 
 # finally attach the new disk to the VM as scsi drive
-qm set 9000 --scsihw virtio-scsi-pci --scsi0 local-lvm:vm-9000-disk-1
+qm set 9000 --scsihw virtio-scsi-pci --scsi0 local-lvm:vm-9000-disk-0
 ----
 
 NOTE: Ubuntu Cloud-Init images require the `virtio-scsi-pci`