diff --git a/tools/python/xen/xend/image.py b/tools/python/xen/xend/image.py
index 91ba0e122b..1ecd0a28a4 100644
--- a/tools/python/xen/xend/image.py
+++ b/tools/python/xen/xend/image.py
@@ -83,7 +83,7 @@ class ImageHandler:
     """
 
     ostype = None
-
+    superpages = 0
 
     def __init__(self, vm, vmConfig):
         self.vm = vm