diff --git a/conf/parameters.yml b/conf/parameters.yml
index 3f4cc6e..fadbf9b 100644
--- a/conf/parameters.yml
+++ b/conf/parameters.yml
@@ -26,7 +26,7 @@ parameters:
     domain_name: https://__DOMAIN____PATH__
     server_name: "Your wallabag instance"
 
-    mailer_dns: smtp://~:~@127.0.0.1
+    mailer_dsn: smtp://~:~@127.0.0.1
 
     locale: en