diff --git a/pica-mobilizon/app/prod.secret.exs b/pica-mobilizon/app/prod.secret.exs
index a68297b00713d679ac7f808796a36fe583fa85f9..f9ee7e1bb73c0e9a5977122598b81eb0da6dc34e 100644
--- a/pica-mobilizon/app/prod.secret.exs
+++ b/pica-mobilizon/app/prod.secret.exs
@@ -48,5 +48,5 @@ config :mobilizon, Mobilizon.Web.Email.Mailer,
   retries: 1,
   # can be `true`
   no_mx_lookups: false,
-  # can be `:always`. If your smtp relay requires authentication set it to `:always`.
-  auth: :if_available
+  # can be `:if_available`. If your smtp relay requires authentication set it to `:always`.
+  auth: :always