diff --git a/notebook/base/zmqhandlers.py b/notebook/base/zmqhandlers.py
index 94f8d13af..19b5bbb29 100644
--- a/notebook/base/zmqhandlers.py
+++ b/notebook/base/zmqhandlers.py
@@ -281,7 +281,8 @@ class AuthenticatedZMQStreamHandler(ZMQStreamHandler, IPythonHandler):
         # assign and yield in two step to avoid tornado 3 issues
         res = self.pre_get()
         yield gen.maybe_future(res)
-        super(AuthenticatedZMQStreamHandler, self).get(*args, **kwargs)
+        res = super(AuthenticatedZMQStreamHandler, self).get(*args, **kwargs)
+        yield gen.maybe_future(res)
     
     def initialize(self):
         self.log.debug("Initializing websocket connection %s", self.request.path)