1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index de5bd44a5f..721ef04f41 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -1551,6 +1551,7 @@ class EventCreationHandler:
                     # stream_ordering entry manually (as it was persisted on
                     # another worker).
                     event.internal_metadata.stream_ordering = stream_id
+                    event.internal_metadata.instance_name = writer_instance
 
                 return event