diff --git a/gestioasso/settings/cof_prod.py b/gestioasso/settings/cof_prod.py
index ebfef337..7e24f936 100644
--- a/gestioasso/settings/cof_prod.py
+++ b/gestioasso/settings/cof_prod.py
@@ -207,7 +207,8 @@ MAIL_DATA = {
     },
     "rappels": {"FROM": "Le BdA <bda@ens.fr>", "REPLYTO": "Le BdA <bda@ens.fr>"},
     "rappel_negatif": {
-        "FROM": "La K-Fêt <k-fet@ens.fr>",
+        "FROM": "La K-Fêt <chefs-k-fet@ens.fr>",
+        "REPLYTO": "La K-Fêt <chefs-k-fet@ens.fr>",
     },
     "revente": {
         "FROM": "BdA-Revente <bda-revente@ens.fr>",
diff --git a/kfet/models.py b/kfet/models.py
index d2ff42f9..0b5b7481 100644
--- a/kfet/models.py
+++ b/kfet/models.py
@@ -2,7 +2,7 @@ import re
 
 from django.conf import settings
 from django.contrib.auth.models import User
-from django.core.mail import send_mail
+from django.core.mail import EmailMessage
 from django.core.validators import RegexValidator
 from django.db import models, transaction
 from django.db.models import F
@@ -298,10 +298,11 @@ class AccountNegative(models.Model):
         """
         Envoie un mail de rappel signalant que la personne est en négatif.
         """
-        # On envoie le mail
-        send_mail(
-            "Compte K-Psul négatif",
-            loader.render_to_string(
+        mail_data = settings.MAIL_DATA["rappel_negatif"]
+
+        email = EmailMessage(
+            subject="Compte K-Psul négatif",
+            body=loader.render_to_string(
                 "kfet/mails/rappel.txt",
                 context={
                     "account": self.account,
@@ -309,9 +310,14 @@ class AccountNegative(models.Model):
                     "start_date": self.start,
                 },
             ),
-            settings.MAIL_DATA["rappel_negatif"]["FROM"],
-            [self.account.email],
+            from_email=mail_data["FROM"],
+            to=[self.account.email],
+            reply_to=[mail_data["REPLYTO"]],
         )
+
+        # On envoie le mail
+        email.send()
+
         # On enregistre le fait que l'envoi a bien eu lieu
         self.last_rappel = timezone.now()
         self.save()