diff --git a/src/Monolog/Handler/SwiftMailerHandler.php b/src/Monolog/Handler/SwiftMailerHandler.php
index f8c39f83..640cc803 100644
--- a/src/Monolog/Handler/SwiftMailerHandler.php
+++ b/src/Monolog/Handler/SwiftMailerHandler.php
@@ -84,7 +84,7 @@ class SwiftMailerHandler extends MailHandler
         }
 
         if (!$message instanceof Swift_Message) {
-            throw new \InvalidArgumentException('Could not resolve message as instance of Swift_Message or a callable returning it' . Utils::getRecordMessageForException($record));
+            throw new \InvalidArgumentException('Could not resolve message as instance of Swift_Message or a callable returning it' . Utils::getRecordMessageForException(reset($records)));
         }
 
         if ($records) {