diff --git a/nova/tests/unit/virt/disk/test_api.py b/nova/tests/unit/virt/disk/test_api.py
index 7a716f52ed26..0a91e0043542 100644
--- a/nova/tests/unit/virt/disk/test_api.py
+++ b/nova/tests/unit/virt/disk/test_api.py
@@ -74,7 +74,7 @@ class APITestCase(test.NoDBTestCase):
         def fake_import_fails(*args, **kwargs):
             raise Exception('Failed')
         self.useFixture(fixtures.MonkeyPatch(
-                'oslo.utils.import_module',
+                'oslo_utils.import_module',
                 fake_import_fails))
 
         imgfile = tempfile.NamedTemporaryFile()