diff --git a/install-dev/upgrade/php/deactivate_custom_modules.php b/install-dev/upgrade/php/deactivate_custom_modules.php
index 88c44a7bc..bf506b1ba 100644
--- a/install-dev/upgrade/php/deactivate_custom_modules.php
+++ b/install-dev/upgrade/php/deactivate_custom_modules.php
@@ -40,7 +40,7 @@ function deactivate_custom_modules()
 		}
 	}
 
-	$module_list_xml = _PS_ROOT_DIR_.DIRECTORY_SEPARATOR.'config'.DIRECTORY_SEPARATOR.'modules_list.xml';
+	$module_list_xml = _PS_ROOT_DIR_.DIRECTORY_SEPARATOR.'config'.DIRECTORY_SEPARATOR.'xml'.DIRECTORY_SEPARATOR.'modules_list.xml';
 
 	if (!file_exists($module_list_xml))
 		return false;