diff --git a/config/piler-default.yml b/config/piler-default.yml
index 7c50a04..09d666a 100644
--- a/config/piler-default.yml
+++ b/config/piler-default.yml
@@ -51,6 +51,7 @@ services:
       - PILER_HOSTNAME=${PILER_DOMAIN}
       - MEMCACHED_HOST=memcached
       - TZ=${TIME_ZONE}
+      - RT=1
     ports:
       - "25:25"
       - "80:80"
diff --git a/config/piler-ssl.yml b/config/piler-ssl.yml
index 4151d1f..08e11af 100644
--- a/config/piler-ssl.yml
+++ b/config/piler-ssl.yml
@@ -73,6 +73,7 @@ services:
       - PILER_HOSTNAME=${PILER_DOMAIN}
       - MEMCACHED_HOST=memcached
       - TZ=${TIME_ZONE}
+      - RT=1
       - VIRTUAL_HOST=${PILER_DOMAIN}
       - LETSENCRYPT_HOST=${PILER_DOMAIN}
       - LETSENCRYPT_EMAIL=${LETSENCRYPT_EMAIL}