diff --git a/voila/app.py b/voila/app.py
index 1058d2760..352cc5e12 100644
--- a/voila/app.py
+++ b/voila/app.py
@@ -451,8 +451,6 @@ def start(self):
             ])
 
         self.app.add_handlers('.*$', handlers)
-        if self.open_browser:
-            self.launch_browser()
         self.listen()
 
     def stop(self):
@@ -463,6 +461,9 @@ def listen(self):
         self.app.listen(self.port)
         self.log.info('Voila is running at:\n%s' % self.display_url)
 
+        if self.open_browser:
+            self.launch_browser()
+
         self.ioloop = tornado.ioloop.IOLoop.current()
         try:
             self.ioloop.start()