diff --git a/qubesadmin/base.py b/qubesadmin/base.py
index a674699..2a8fcaa 100644
--- a/qubesadmin/base.py
+++ b/qubesadmin/base.py
@@ -233,7 +233,7 @@ class PropertyHolder(object):
         if prop_type == 'vm':
             if value == '':
                 return None
-            return self.app.domains[value]
+            return self.app.domains.get_blind(value)
         if prop_type == 'label':
             if value == '':
                 return None
diff --git a/qubesadmin/devices.py b/qubesadmin/devices.py
index c09e1ce..4efcab7 100644
--- a/qubesadmin/devices.py
+++ b/qubesadmin/devices.py
@@ -209,7 +209,7 @@ class DeviceCollection(object):
                               ['True', 'yes', True])
             if persistent is not None and dev_persistent != persistent:
                 continue
-            backend_domain = self._vm.app.domains[backend_domain]
+            backend_domain = self._vm.app.domains.get_blind(backend_domain)
             yield DeviceAssignment(backend_domain, ident, options,
                                    persistent=dev_persistent,
                                    frontend_domain=self._vm,