diff --git a/tools/python/xen/xend/XendConfig.py b/tools/python/xen/xend/XendConfig.py
index 92af7b4239..f003c6e9eb 100644
--- a/tools/python/xen/xend/XendConfig.py
+++ b/tools/python/xen/xend/XendConfig.py
@@ -859,7 +859,7 @@ class XendConfig(dict):
                 found = False
                 
                 # figure if there is a dev controller is valid and running
-                if domain and domain.getDomid():
+                if domain and domain.getDomid() != None:
                     try:
                         controller = domain.getDeviceController(cls)
                         configs = controller.configurations()