diff --git a/sender.php b/sender.php
index 4127835..3383ecd 100644
--- a/sender.php
+++ b/sender.php
@@ -41,7 +41,7 @@ try {
     $mailer->Body = ($html ? $html : $text);
     $mailer->AltBody = ($html ? $text : null);
 
-    foreach ($attachments as $attachment) {
+    foreach ($json["attachments"] as $attachment) {
         $tempfile = tempnam(sys_get_temp_dir(), "EXPMAIL_");
         file_put_contents($tempfile, file_get_contents($attachment["url"]));
         $filename = ($attachment["filename"] ? $attachment["filename"] : getFilename($attachment["url"]));