diff --git a/core-modules/01QubesHVm.py b/core-modules/01QubesHVm.py
index 51e06f1a..8847f9f5 100644
--- a/core-modules/01QubesHVm.py
+++ b/core-modules/01QubesHVm.py
@@ -28,6 +28,7 @@ import sys
 import re
 
 from qubes.qubes import QubesVm,register_qubes_vm_class,xs,xc,dry_run
+from qubes.qubes import QubesException
 from qubes.qubes import system_path,defaults
 
 system_path["config_template_hvm"] = '/usr/share/qubes/vm-template-hvm.conf'