1 files changed, 1 insertions, 2 deletions
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index 741504ba9f..4e575ffbaa 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -2051,8 +2051,7 @@ async def get_interested_remotes(
     )
 
     for room_id, states in room_ids_to_states.items():
-        user_ids = await store.get_users_in_room(room_id)
-        hosts = {get_domain_from_id(user_id) for user_id in user_ids}
+        hosts = await store.get_current_hosts_in_room(room_id)
         for host in hosts:
             hosts_and_states.setdefault(host, set()).update(states)