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Diffstat (limited to 'synapse/handlers/room_member.py')
| -rw-r--r-- | synapse/handlers/room_member.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py index a6dbff637f..447e3ce571 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py @@ -658,7 +658,8 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): if block_invite: raise SynapseError(403, "Invites have been disabled on this server") - if prev_event_ids: + # An empty prev_events list is allowed as long as the auth_event_ids are present + if prev_event_ids is not None: return await self._local_membership_update( requester=requester, target=target, |