diff --git a/lib/hypervisor/hv_xen.py b/lib/hypervisor/hv_xen.py
index 1c05814abf836a5634efcef14e64f735fa4aed8c..3dc9355a91b285cdd4a8b8d20bd9dd19b1b573a3 100644
--- a/lib/hypervisor/hv_xen.py
+++ b/lib/hypervisor/hv_xen.py
@@ -490,6 +490,12 @@ class XenHypervisor(hv_base.BaseHypervisor):
     if name is None:
       name = instance.name
 
+    return self._StopInstance(name, force)
+
+  def _StopInstance(self, name, force):
+    """Stop an instance.
+
+    """
     if force:
       action = "destroy"
     else: