1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 29b3e41cc9..c8fb24a20c 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -89,7 +89,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta):
         self.spam_checker = hs.get_spam_checker()
         self.third_party_event_rules = hs.get_third_party_event_rules()
         self._server_notices_mxid = self.config.servernotices.server_notices_mxid
-        self._enable_lookup = hs.config.enable_3pid_lookup
+        self._enable_lookup = hs.config.registration.enable_3pid_lookup
         self.allow_per_room_profiles = self.config.server.allow_per_room_profiles
 
         self._join_rate_limiter_local = Ratelimiter(