diff --git a/synapse/rest/client/v1/voip.py b/synapse/rest/client/v1/voip.py
index 03141c623c62..1e975617aa1c 100644
--- a/synapse/rest/client/v1/voip.py
+++ b/synapse/rest/client/v1/voip.py
@@ -28,7 +28,7 @@ class VoipRestServlet(ClientV1RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request):
-        requester = yield self.auth.get_user_by_req(request)
+        requester = yield self.auth.get_user_by_req(request, True)
 
         turnUris = self.hs.config.turn_uris
         turnSecret = self.hs.config.turn_shared_secret