diff --git a/src/Validator.php b/src/Validator.php
index 757b3e3..bc09f5f 100644
--- a/src/Validator.php
+++ b/src/Validator.php
@@ -174,8 +174,7 @@ public static function json(string $field, array $data) : bool
         if ($data === null) {
             return false;
         }
-        \json_decode($data);
-        return \json_last_error() === \JSON_ERROR_NONE;
+        return \json_validate($data);
     }
 
     /**