diff --git a/tools/python/xen/xend/XendNode.py b/tools/python/xen/xend/XendNode.py
index fa2e81bb70..6445914925 100644
--- a/tools/python/xen/xend/XendNode.py
+++ b/tools/python/xen/xend/XendNode.py
@@ -138,7 +138,7 @@ class XendNode:
             
         if not self.get_sr_by_type('qcow_file'):
             qcow_sr_uuid = uuid.createString()
-            self.srs[qcow_sr_uuid] = XendQCowStorageRepo(qcow_sr_uuid)
+            self.srs[qcow_sr_uuid] = XendQCoWStorageRepo(qcow_sr_uuid)