diff --git a/clientapi/routing/membership.go b/clientapi/routing/membership.go
index 0ad21f717..a9a8fa00d 100644
--- a/clientapi/routing/membership.go
+++ b/clientapi/routing/membership.go
@@ -77,7 +77,7 @@ func sendMembership(ctx context.Context, accountDB accounts.Database, device *us
 
 	_, err = roomserverAPI.SendEvents(
 		ctx, rsAPI,
-		[]gomatrixserverlib.HeaderedEvent{*event},
+		[]gomatrixserverlib.HeaderedEvent{event.Event.Headered(roomVer)},
 		cfg.Matrix.ServerName,
 		nil,
 	)