1 files changed, 8 insertions, 4 deletions
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 15e8aa5249..4260426369 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -944,8 +944,10 @@ class RoomMemberMasterHandler(RoomMemberHandler):
         # join dance for now, since we're kinda implicitly checking
         # that we are allowed to join when we decide whether or not we
         # need to do the invite/join dance.
-        yield self.federation_handler.do_invite_join(
-            remote_room_hosts, room_id, user.to_string(), content
+        yield defer.ensureDeferred(
+            self.federation_handler.do_invite_join(
+                remote_room_hosts, room_id, user.to_string(), content
+            )
         )
         yield self._user_joined_room(user, room_id)
 
@@ -982,8 +984,10 @@ class RoomMemberMasterHandler(RoomMemberHandler):
         """
         fed_handler = self.federation_handler
         try:
-            ret = yield fed_handler.do_remotely_reject_invite(
-                remote_room_hosts, room_id, target.to_string(), content=content,
+            ret = yield defer.ensureDeferred(
+                fed_handler.do_remotely_reject_invite(
+                    remote_room_hosts, room_id, target.to_string(), content=content,
+                )
             )
             return ret
         except Exception as e: