diff --git a/dsio/dashboard/bokeh.py b/dsio/dashboard/bokeh.py
index 3b72355..61cf0aa 100644
--- a/dsio/dashboard/bokeh.py
+++ b/dsio/dashboard/bokeh.py
@@ -71,7 +71,7 @@ def update():
 
     io_loop = tornado.ioloop.IOLoop.current()
 
-    if io_loop._running: # Assume we're in a Jupyter notebook
+    if getattr(io_loop, '_running', False): # Assume we're in a Jupyter notebook
         output_notebook()
         show(app)
     else: # Otherwise start the bokeh server in a thread and open browser