diff --git a/roles/dch-proxy/templates/haproxy.cfg.j2 b/roles/dch-proxy/templates/haproxy.cfg.j2
index cf983c2..afa2723 100644
--- a/roles/dch-proxy/templates/haproxy.cfg.j2
+++ b/roles/dch-proxy/templates/haproxy.cfg.j2
@@ -16,7 +16,7 @@ frontend main
     use_backend kubernetes if internal_net
 
 frontend main-tls
-    bind :::443
+    bind *:443,:::443 v6only
     mode tcp
     option tcplog