diff --git a/IPython/frontend/html/notebook/notebookmanager.py b/IPython/frontend/html/notebook/notebookmanager.py
index bc8ec4a84..c9ce29a78 100644
--- a/IPython/frontend/html/notebook/notebookmanager.py
+++ b/IPython/frontend/html/notebook/notebookmanager.py
@@ -152,7 +152,7 @@ class NotebookManager(LoggingConfigurable):
except:
raise web.HTTPError(500, u'Unreadable JSON notebook.')
# Always use the filename as the notebook name.
- nb.metadata.name = os.path.split(path)[-1].split(u'.')[0]
+ nb.metadata.name = u'.'.join(os.path.split(path)[-1].split(u'.')[:-1])
return last_modified, nb
def save_new_notebook(self, data, name=None, format=u'json'):