make FederationHandler.send_invite async

1 files changed, 2 insertions, 3 deletions

diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py

index bdf16c84d3..be6ae18a92 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -932,10 +932,9 @@ class EventCreationHandler(object):
                     # way? If we have been invited by a remote server, we need
                     # to get them to sign the event.
 
-                    returned_invite = yield federation_handler.send_invite(
-                        invitee.domain, event
+                    returned_invite = yield defer.ensureDeferred(
+                        federation_handler.send_invite(invitee.domain, event)
                     )
-
                     event.unsigned.pop("room_state", None)
 
                     # TODO: Make sure the signatures actually are correct.