diff --git a/src/Http/Controllers/SesWebhook.php b/src/Http/Controllers/SesWebhook.php
index 72d3987..f69f0d0 100644
--- a/src/Http/Controllers/SesWebhook.php
+++ b/src/Http/Controllers/SesWebhook.php
@@ -19,7 +19,8 @@ protected function onNotification(array $snsMessage, Request $request): void
     {
         $decodedMessage = json_decode($snsMessage['Message'], true);
 
-        $eventType = $decodedMessage['eventType'] ?? null;
+        $typeKey = array_key_exists('eventType', $decodedMessage) ? 'eventType' : 'notificationType';
+        $eventType = $decodedMessage[$typeKey] ?? null;
 
         $methodToCall = 'on'.Str::studly($eventType);