diff --git a/scoper.inc.php b/scoper.inc.php
index d7e99f5fb..c4aef3bbc 100644
--- a/scoper.inc.php
+++ b/scoper.inc.php
@@ -35,4 +35,5 @@ static function (string $filePath, string $prefix, string $content): string {
 			return $content;
 		},
 	],
+	'expose-global-functions' => false,
 ];