diff --git a/src/applications/search/engine/PhabricatorSearchEngineElastic.php b/src/applications/search/engine/PhabricatorSearchEngineElastic.php
index 95b973a..120460a 100644
--- a/src/applications/search/engine/PhabricatorSearchEngineElastic.php
+++ b/src/applications/search/engine/PhabricatorSearchEngineElastic.php
@@ -222,7 +222,8 @@ final class PhabricatorSearchEngineElastic extends PhabricatorSearchEngine {
throw $ex;
}
$query = clone $query;
- $query->setQuery(
+ $query->setParameter(
+ 'query',
addcslashes(
$query->getParameter('query'), '+-&|!(){}[]^"~*?:\\'));
$response = $this->executeRequest($uri, $this->buildSpec($query));