diff --git a/sender.php b/sender.php
index f62c4ad..83f7c1c 100644
--- a/sender.php
+++ b/sender.php
@@ -10,9 +10,9 @@ use PHPMailer\PHPMailer\Exception;
 $mailer = new PHPMailer(true);
 
 try {
-    if (!$_POST || !$data=$_POST["data"]) throw new Exception("There is nothing here.");
+    if (!$_POST) throw new Exception("There is nothing here.");
 
-    $json = json_decode($data, true);
+    $json = json_decode(file_get_contents('php://input'));
 
     if (!$json["key"]) throw new Exception("What's the code word?");