diff --git a/config/legacy/parameters.yaml.dist b/config/legacy/parameters.yaml.dist
index dce12917..fcaa83f7 100644
--- a/config/legacy/parameters.yaml.dist
+++ b/config/legacy/parameters.yaml.dist
@@ -2,7 +2,7 @@ parameters:
     trusted_proxies:   ~
 
     mailer_transport:  smtp
-    mailer_host:       127.0.0.1
+    mailer_host:       mailcatcher
     mailer_user:       ~
     mailer_password:   ~