diff --git a/tools/python/xen/xend/XendNode.py b/tools/python/xen/xend/XendNode.py
index b6eafa3331..8850a71ce3 100644
--- a/tools/python/xen/xend/XendNode.py
+++ b/tools/python/xen/xend/XendNode.py
@@ -196,7 +196,7 @@ class XendNode:
         return [[k, info[k]] for k in ITEM_ORDER]
 
     def xendinfo(self):
-        return [['xend_config_format',  2]]
+        return [['xend_config_format', 3]]
 
     # dictionary version of *info() functions to get rid of
     # SXPisms.