diff options
| -rw-r--r-- | synapse/federation/federation_client.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index a163b2674d..4b3bf97835 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -523,7 +523,7 @@ class FederationClient(FederationBase): # Are we missing any? seen_events = set(earliest_events_ids) - seen_events.update(e.event_id for e in signed_events) + seen_events.update(e.event_id for e in signed_events if e) missing_events = {} for e in itertools.chain(latest_events, signed_events): |