diff --git a/postfix/entrypoint.sh b/postfix/entrypoint.sh
index 4383c60..308039f 100644
--- a/postfix/entrypoint.sh
+++ b/postfix/entrypoint.sh
@@ -11,4 +11,5 @@ for cf in /etc/postfix/*.cf; do
           -e "s/%DB_DATABASE%/${DB_DATABASE}/g" ${cf};
 done
 
-/usr/sbin/postfix start-fg
+/usr/lib/postfix/configure-instance.sh
+/usr/sbin/postfix -c /etc/postfix start-fg