diff --git a/fixbackend/notification/email/email_sender.py b/fixbackend/notification/email/email_sender.py
index 2bc0e250..e0c9c73d 100644
--- a/fixbackend/notification/email/email_sender.py
+++ b/fixbackend/notification/email/email_sender.py
@@ -98,7 +98,7 @@ def send_email() -> None:
 
             self.ses.send_raw_email(
                 Source="noreply@fix.security",
-                Destinations=to,
+                Destinations=[to],
                 RawMessage={"Data": msg.as_string().encode("utf-8")},
             )