diff --git a/bin/json-flatten b/bin/json-flatten
index 7790c96..5470551 100755
--- a/bin/json-flatten
+++ b/bin/json-flatten
@@ -3,7 +3,7 @@
 
 namespace Leneko\Flattener;
 
-require dirname(__DIR__, 1) . '/vendor/autoload.php';
+include $_composer_autoload_path ?? dirname(__DIR__, 1) . '/vendor/autoload.php';
 
 use Silly\Application;