diff --git a/synapse/api/urls.py b/synapse/api/urls.py
index 7a6fff7d18..04970adb71 100644
--- a/synapse/api/urls.py
+++ b/synapse/api/urls.py
@@ -16,4 +16,5 @@
 """Contains the URL paths to prefix various aspects of the server with. """
 
 CLIENT_PREFIX = "/matrix/client/api/v1"
-FEDERATION_PREFIX = "/matrix/federation/v1"
\ No newline at end of file
+FEDERATION_PREFIX = "/matrix/federation/v1"
+WEB_CLIENT_PREFIX = "/matrix/client"
\ No newline at end of file
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 7c356e7855..fc12e0dba5 100644
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -26,7 +26,7 @@ from twisted.web.static import File
 from twisted.web.server import Site
 from synapse.http.server import JsonResource, RootRedirect
 from synapse.http.client import TwistedHttpClient
-from synapse.api.urls import CLIENT_PREFIX, FEDERATION_PREFIX
+from synapse.api.urls import CLIENT_PREFIX, FEDERATION_PREFIX, WEB_CLIENT_PREFIX
 
 from daemonize import Daemonize
 
@@ -104,11 +104,11 @@ class SynapseHomeServer(HomeServer):
         ]
         if web_client:
             logger.info("Adding the web client.")
-            desired_tree.append(("/matrix/client",  # TODO constant please
+            desired_tree.append((WEB_CLIENT_PREFIX,
                                 self.get_resource_for_web_client()))
 
         if web_client and redirect_root_to_web_client:
-            self.root_resource = RootRedirect("/matrix/client")
+            self.root_resource = RootRedirect(WEB_CLIENT_PREFIX)
         else:
             self.root_resource = Resource()