diff --git a/virt-install-cloud.sh b/virt-install-cloud.sh
index 5081761..e7f1477 100755
--- a/virt-install-cloud.sh
+++ b/virt-install-cloud.sh
@@ -223,7 +223,7 @@ virt-install \
   --network ${net_interface} \
   --boot hd \
   --disk vol=${POOL}/${hostname}.${domain}.root.img,format=${FORMAT},bus=virtio,cache=none \
-  --disk vol=${POOL}/${hostname}.${domain}.configuration.iso,bus=virtio,device=cdrom \
+  --disk vol=${POOL}/${hostname}.${domain}.configuration.iso,device=cdrom \
   --console pty,target_type=serial \
   --os-type=${virt_ostype} --os-variant=${virt_osvariant}