diff --git a/inc/Service/SearchService.php b/inc/Service/SearchService.php
index affca81c..e542e41a 100644
--- a/inc/Service/SearchService.php
+++ b/inc/Service/SearchService.php
@@ -384,8 +384,8 @@ class SearchService {
 		$flags = [];
 		if (!empty($filters->flag) && !empty($this->flag_map)) {
 			// A double array_values is necessary in order to re-index the array, otherwise it's left with random indexes.
-			$reverse_flags = \array_values(\array_values($this->flag_map));
-			$flags = $this->matchStrings($reverse_flags, $filters->flag);
+			$reverse_flags = \array_values($this->flag_map);
+			$flags = \array_values($this->matchStrings($reverse_flags, $filters->flag));
 			if (empty($flags)) {
 				// The query doesn't match any flags so it will always fail anyway.
 				return [];