diff --git a/System/Core/JSON.php b/System/Core/JSON.php
index 34e01e24..3e641318 100644
--- a/System/Core/JSON.php
+++ b/System/Core/JSON.php
@@ -6,7 +6,7 @@
  * Time: 01:04
  */
 
-//declare(strict_types=1);
+declare(strict_types=1);
 
 namespace Snowflake\Core;