diff --git a/IPython/frontend/html/notebook/notebookapp.py b/IPython/frontend/html/notebook/notebookapp.py
index 55f601f..d037f95 100644
--- a/IPython/frontend/html/notebook/notebookapp.py
+++ b/IPython/frontend/html/notebook/notebookapp.py
@@ -113,7 +113,7 @@ class NotebookWebApplication(web.Application):
 
 flags = dict(ipkernel_flags)
 flags['no-browser']=(
-    {'IPythonNotebookApp' : {'open_browser' : False}},
+    {'NotebookApp' : {'open_browser' : False}},
     "Don't open the notebook in a browser after startup."
 )