diff --git a/helpers/mail.ts b/helpers/mail.ts
index 886468a..abd2214 100644
--- a/helpers/mail.ts
+++ b/helpers/mail.ts
@@ -169,7 +169,7 @@ async function sendMail({
   from: { email: string; name?: string }
   subject: string
   textPlainContent: string
-  attachments: {
+  attachments?: {
     content: string
     type?: string
     filename: string