diff --git a/app/listmonk/tasks.py b/app/listmonk/tasks.py
index cf4e307..f6de4fe 100644
--- a/app/listmonk/tasks.py
+++ b/app/listmonk/tasks.py
@@ -35,7 +35,7 @@ def send_week():
         monday = views.get_monday(now)
         week_obj.published = now
         week_obj.save()
-        if not utils.send_week(monday):
+        if not utils.send_week(now.strftime('%Y-%m-%d')):
             message = "weekly newsletter ready, confirm at https://list.phantas.ma/admin/campaigns"
             r = rpc.send(message, group=settings.SIGNAL_MODERATORS_GROUP)