--- tools/python/xen/xm/create.py
+++ tools/python/xen/xm/create.py
@@ -1538,6 +1538,9 @@
             SXPPrettyPrint.prettyprint(config)
 
         if opts.vals.xmldryrun and serverType == SERVER_XEN_API:
+            import xml
+            if hasattr(xml, "use_pyxml"):
+                xml.use_pyxml()
             from xml.dom.ext import PrettyPrint as XMLPrettyPrint
             XMLPrettyPrint(doc)