diff --git a/ubuntu-lts.sh b/ubuntu-lts.sh
index d4673a2..ad37473 100755
--- a/ubuntu-lts.sh
+++ b/ubuntu-lts.sh
@@ -1,6 +1,10 @@
 #!/bin/bash
 CURL_LAST_LTS_RELEASE=$(curl -s https://changelogs.ubuntu.com/meta-release-lts | grep Dist: | tail -n1)
 LAST_LTS_RELEASE=${CURL_LAST_LTS_RELEASE:6}
+DIR=$(
+  cd "$(dirname "$0")" || exit 1
+  pwd
+)
 
 echo ""
 echo "This script will download and setup an vm with the newest Ubuntu LTS Version ($LAST_LTS_RELEASE)"
@@ -11,7 +15,7 @@ if [ "$EUID" -ne 0 ]; then
   exit
 fi
 
-if [ ! -f "ssh-keys.pub" ]; then
+if [ ! -f "$DIR/ssh-keys.pub" ]; then
   echo "Warning ssh-keys.pub doesn't exists"
   echo "Will abort now"
   exit
@@ -28,12 +32,15 @@ read -r VM_NAME
 echo "Ensure libguestfs-tools is installed"
 apt install libguestfs-tools -y
 
+echo "Create copy of $LAST_LTS_RELEASE-server-cloudimg-amd64 for image modification"
+cp -r "/tmp/$LAST_LTS_RELEASE-server-cloudimg-amd64.img" "/tmp/$LAST_LTS_RELEASE-server-cloudimg-amd64.modified.img"
+
 echo "Install qemu-guest-agent on Ubuntu image"
-virt-customize -a "/tmp/$LAST_LTS_RELEASE-server-cloudimg-amd64.img" --install qemu-guest-agent
+virt-customize -a "/tmp/$LAST_LTS_RELEASE-server-cloudimg-amd64.modified.img" --install qemu-guest-agent
 
 echo "Create Proxmox VM image from Ubuntu Cloud Image"
 qm create "$VM_ID" --memory 1024 --balloon 0 --cores 2 --net0 virtio,bridge=vmbr0 --scsihw virtio-scsi-pci
-qm set "$VM_ID" --scsi0 local-lvm:0,import-from="/tmp/$LAST_LTS_RELEASE-server-cloudimg-amd64.img"
+qm set "$VM_ID" --scsi0 local-lvm:0,import-from="/tmp/$LAST_LTS_RELEASE-server-cloudimg-amd64.modified.img"
 qm set "$VM_ID" --agent enabled=1,fstrim_cloned_disks=1
 
 echo "Create Cloud-Init Disk and configure boot"
@@ -45,5 +52,8 @@ qm set "$VM_ID" \
   --name "$VM_NAME" \
   --onboot 1 \
   --ciuser "devops" \
-  --sshkeys ssh-keys.pub \
+  --sshkeys "$DIR/ssh-keys.pub" \
   --ipconfig0 "ip=dhcp,ip6=dhcp"
+
+echo "Cleanup: delete modified cloudimg"
+rm -f "/tmp/$LAST_LTS_RELEASE-server-cloudimg-amd64.modified.img"