diff --git a/src/mailer/mailer.service.ts b/src/mailer/mailer.service.ts
index 5dbe73f2fbce258441e1695bf88d9caf8dd50387..83b2a4ba76ba7684f86caf3998402f22e70fee24 100644
--- a/src/mailer/mailer.service.ts
+++ b/src/mailer/mailer.service.ts
@@ -29,6 +29,7 @@ export class MailerService {
       // eslint-disable-next-line camelcase
       from_name: this.config.from_name,
       to: [{ email: to }],
+      reply_to: 'inclusionnumerique@grandlyon.com',
       subject: subject,
       content: html,
     });