diff --git a/tempest/openstack/common/fixture/mockpatch.py b/tempest/openstack/common/fixture/mockpatch.py
index 858e77c..d7dcc11 100644
--- a/tempest/openstack/common/fixture/mockpatch.py
+++ b/tempest/openstack/common/fixture/mockpatch.py
@@ -22,14 +22,15 @@
 class PatchObject(fixtures.Fixture):
     """Deal with code around mock."""
 
-    def __init__(self, obj, attr, **kwargs):
+    def __init__(self, obj, attr, new=mock.DEFAULT, **kwargs):
         self.obj = obj
         self.attr = attr
         self.kwargs = kwargs
+        self.new = new
 
     def setUp(self):
         super(PatchObject, self).setUp()
-        _p = mock.patch.object(self.obj, self.attr, **self.kwargs)
+        _p = mock.patch.object(self.obj, self.attr, self.new, **self.kwargs)
         self.mock = _p.start()
         self.addCleanup(_p.stop)