diff --git a/IPython/frontend/html/notebook/notebooks/tests/test_nbmanager.py b/IPython/frontend/html/notebook/notebooks/tests/test_nbmanager.py
index 643681a..54aa0e9 100644
--- a/IPython/frontend/html/notebook/notebooks/tests/test_nbmanager.py
+++ b/IPython/frontend/html/notebook/notebooks/tests/test_nbmanager.py
@@ -7,7 +7,7 @@ from tempfile import NamedTemporaryFile
from IPython.utils.tempdir import TemporaryDirectory
from IPython.utils.traitlets import TraitError
-from IPython.frontend.html.notebook.filenbmanager import FileNotebookManager
+from ..filenbmanager import FileNotebookManager
class TestNotebookManager(TestCase):