diff --git a/function.php b/function.php
index 1ec1afa3..15d13288 100644
--- a/function.php
+++ b/function.php
@@ -37,7 +37,7 @@ if (!function_exists('json_validator')) {
      */
     function json_validator(string $data): bool
     {
-        return is_null(json_decode($data));
+        return !is_null(json_decode($data));
     }
 
 }