diff --git a/core/Application.php b/core/Application.php
index a4e915caec2cb..c0b88e154c098 100644
--- a/core/Application.php
+++ b/core/Application.php
@@ -126,6 +126,11 @@ public function __construct() {
 				'fs_parent',
 				['parent']
 			);
+			$event->addMissingIndex(
+				'filecache',
+				'fs_name_hash',
+				['name']
+			);
 
 			$event->addMissingIndex(
 				'twofactor_providers',