diff --git a/debian/conf/portail-citoyen2.conf b/debian/conf/portail-citoyen2.conf
index 9f5c2cc..e4c549a 100644
--- a/debian/conf/portail-citoyen2.conf
+++ b/debian/conf/portail-citoyen2.conf
@@ -26,6 +26,8 @@ export LOG_ROOT='/var/log/portail-citoyen/portail-citoyen.log'
 # We are behind a reverse proxy so we accept every hosts
 export ALLOWED_HOSTS='*'
 
+export AUTHENTIC2_URL='AUTHENTIC2_URL'
+
 # Email configuration
 #export EMAIL_HOST='localhost'
 #export EMAIL_PORT='25'