diff --git a/add-vm b/add-vm
index d99cca9..3186db4 100755
--- a/add-vm
+++ b/add-vm
@@ -36,6 +36,7 @@ disks="${disks:-}"
 [ -n "${disks}" ] || disks=("ssd" "hdd")
 bridgeName="${bridgeName:-br0}"
 doDryRun=${doDryRun:-false}
+isoImagePath="${isoImagePath:-}"
 
 export DIALOGOUT=$(mktemp --tmpdir=/tmp addvm.XXX)
 # TODO: How to replace _ with a space??
@@ -198,6 +199,8 @@ fi
 
 virtHome=""
 [ "$volhomeDisk" != "none" ] && virtHome="--disk path=/dev/drbd/by-disk/${volhomeDisk}/${vmName}_home,bus=virtio,io=threads,cache=none,format=raw"
+bootMode="--pxe"
+[ -f "$isoImagePath" ] && bootMode="--cdrom=$isoImagePath"
 
 dryRun virt-install --connect=qemu:///system \
   --name=${vmName} \
@@ -205,11 +208,11 @@ dryRun virt-install --connect=qemu:///system \
   --memory=${memory} \
   --disk path=/dev/drbd/by-disk/${volrootDisk}/${vmName}_root,bus=virtio,io=threads,cache=none,format=raw \
   $virtHome \
+  $bootMode \
   --network=bridge:${bridgeName},model=virtio \
   --noautoconsole --graphics vnc,listen=127.0.0.1,keymap=fr \
   --rng /dev/random \
-  --os-variant=none \
-  --pxe
+  --os-variant=none
 
 if [ -x /usr/share/scripts/evomaintenance.sh ]; then
     ($doDryRun) || echo "Install VM ${vmName} (add-vm.sh)" | /usr/share/scripts/evomaintenance.sh