diff --git a/lib/Service/ElasticSearchService.php b/lib/Service/ElasticSearchService.php
index ef16edd4..cd133425 100644
--- a/lib/Service/ElasticSearchService.php
+++ b/lib/Service/ElasticSearchService.php
@@ -91,7 +91,7 @@ public function updateObject(string $id, array $object, array $config): array
 		}
 	}
 
-	public function parseFilter(string $name, array $filter): array
+	public function parseFilter(string $name, array|string $filter): array
 	{
 
 		if(is_array($filter) === false) {