diff --git a/controle_cotisation/mail_instructions_headers.txt b/controle_cotisation/mail_instructions_headers.txt
index 9d28762..bb3ed43 100644
--- a/controle_cotisation/mail_instructions_headers.txt
+++ b/controle_cotisation/mail_instructions_headers.txt
@@ -1,6 +1,6 @@
 Content-Language: fr
 From: =?UTF-8?Q?Tr=c3=a9sorier_de_Libre_en_Communs?= <tresorier@a-lec.org>
-To: <COURRIEL_COTISANT>
+To: <COURRIEL-COTISANT>
 Bcc: <tresorier@a-lec.org>
 Subject: =?UTF-8?Q?=5bTr=c3=a9sorerie=5d_-_modalit=c3=a9s_de_r=c3=a8glement_de_vo?=
  =?UTF-8?Q?tre_cotisation_ANNEE_CIVILE?=