diff --git a/docker/front.conf b/docker/front.conf
index c680da0f..c219b20d 100644
--- a/docker/front.conf
+++ b/docker/front.conf
@@ -13,6 +13,7 @@ map $http_upgrade $connection_upgrade {
 
 server {
   listen 5700;
+  listen [::]:5700 ipv6only=on;
   root /ql/static/dist;
   ssl_session_timeout 5m;