diff --git a/database/backends/PostgresSmartBackend.php b/database/backends/PostgresSmartBackend.php
index e316cb0f545f7c3aed9e3fc358a216a9f1a689ef..cee18fbb29085012b58e45c4fbe755953370efbc 100644
--- a/database/backends/PostgresSmartBackend.php
+++ b/database/backends/PostgresSmartBackend.php
@@ -80,7 +80,7 @@ class PostgresSmartBackend implements Backend
                   FROM
                     backlog
                     JOIN buffer ON backlog.bufferid = buffer.bufferid
-                    , phraseto_tsquery_multilang(:query) query
+                    , $tsQueryFunction query
                   WHERE buffer.userid = :userid
                     AND (:ignore_since::BOOLEAN OR backlog.time > :since::TIMESTAMP)
                     AND (:ignore_before::BOOLEAN OR backlog.time < :before::TIMESTAMP)