diff --git a/tests/cli-test-xml/compare/clone-auto2.xml b/tests/cli-test-xml/compare/clone-auto2.xml
index cde0c9801..fb78434de 100644
--- a/tests/cli-test-xml/compare/clone-auto2.xml
+++ b/tests/cli-test-xml/compare/clone-auto2.xml
@@ -20,6 +20,7 @@
   <devices>
     <emulator>/usr/lib/xen/bin/qemu-dm</emulator>
     <disk type="file" device="disk">
+      <driver type="qcow2"/>
       <source file="/dev/default-pool/newvm.img"/>
       <target dev="hda" bus="ide"/>
       <address type="drive" controller="0" bus="0" target="0" unit="0"/>