diff --git a/functions b/functions
index 8b69c73bba..20b83b3cd0 100644
--- a/functions
+++ b/functions
@@ -364,7 +364,7 @@ function upload_image {
     esac
 
     if is_arch "ppc64le" || is_arch "ppc64" || is_arch "ppc"; then
-        img_property="--property hw_disk_bus=scsi --property hw_scsi_model=virtio-scsi --property hw_cdrom_bus=scsi --property os_command_line=console=hvc0"
+        img_property="--property hw_cdrom_bus=scsi --property os_command_line=console=hvc0"
     fi
 
     if is_arch "aarch64"; then