diff --git a/ryu/app/wsgi.py b/ryu/app/wsgi.py
index c9a9f96b..ff3ef6ac 100644
--- a/ryu/app/wsgi.py
+++ b/ryu/app/wsgi.py
@@ -93,7 +93,7 @@ class WSGIApplication(object):
         controller = match['controller'](req, link, data, **self.config)
         return controller(req)
 
-    def register(self, controller):
+    def register(self, controller, data=None):
         methods = inspect.getmembers(controller,
                                      lambda v: inspect.ismethod(v) and
                                      hasattr(v, 'routing_info'))
@@ -111,6 +111,8 @@ class WSGIApplication(object):
                                 requirements=requirements,
                                 action=method_name,
                                 conditions=conditions)
+        if data:
+            self.registory[controller.__name__] = data
 
 
 class WSGIServer(hub.WSGIServer):
diff --git a/ryu/tests/unit/app/test_wsgi.py b/ryu/tests/unit/app/test_wsgi.py
index 0e5b2192..a1da1221 100644
--- a/ryu/tests/unit/app/test_wsgi.py
+++ b/ryu/tests/unit/app/test_wsgi.py
@@ -28,6 +28,10 @@ LOG = logging.getLogger('test_wsgi')
 
 class _TestController(ControllerBase):
 
+    def __init__(self, req, link, data, **config):
+        super(_TestController, self).__init__(req, link, data, **config)
+        eq_(data['test_param'], 'foo')
+
     @route('test', '/test/{dpid}',
            methods=['GET'], requirements={'dpid': dpidlib.DPID_PATTERN})
     def test_get_dpid(self, req, dpid, **_kwargs):
@@ -44,8 +48,11 @@ class Test_wsgi(unittest.TestCase):
     """
 
     def setUp(self):
+        controller_data = {
+            'test_param': 'foo'
+        }
         self.wsgi_app = WSGIApplication()
-        self.wsgi_app.register(_TestController)
+        self.wsgi_app.register(_TestController, controller_data)
 
     def tearDown(self):
         pass