diff --git a/override/classes/Image.php b/override/classes/Image.php
index 4789f31f..97d187fa 100644
--- a/override/classes/Image.php
+++ b/override/classes/Image.php
@@ -1,5 +1,5 @@
 <?php
-require_once PS_ADMIN_DIR . '/functions.php';
+require_once _PS_ROOT_DIR_ . '/images.inc.php';
 
 class Image extends ImageCore
 {