1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/notifier.py b/synapse/notifier.py
index e87333a80a..7c1cd3b5f2 100644
--- a/synapse/notifier.py
+++ b/synapse/notifier.py
@@ -721,6 +721,7 @@ class Notifier:
                         user.to_string(),
                         new_events,
                         is_peeking=is_peeking,
+                        msc4115_membership_on_events=self.hs.config.experimental.msc4115_membership_on_events,
                     )
                 elif keyname == StreamKeyType.PRESENCE:
                     now = self.clock.time_msec()