diff --git a/conf/nginx.conf b/conf/nginx.conf
index 241bcebe..030a706d 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -13,6 +13,7 @@ server {
 # The secure HTTPS server.
 server {
 	listen 443 ssl;
+	listen [::]:443 ssl;
 
 	server_name $HOSTNAME;