diff --git a/data/templates/https/nginx.default.tmpl b/data/templates/https/nginx.default.tmpl
index b40ddcc74..2f8aa06c2 100644
--- a/data/templates/https/nginx.default.tmpl
+++ b/data/templates/https/nginx.default.tmpl
@@ -1,73 +1,73 @@
 ### Autogenerated by https.py ###
 # Default server configuration
 #
 server {
         listen 80 default_server;
         listen [::]:80 default_server;
         server_name _;
         return 301 https://$host$request_uri;
 }
 
 {% for server in server_block_list %}
 server {
 
         # SSL configuration
         #
 {% if server.address == '*' %}
         listen {{ server.port }} ssl;
         listen [::]:{{ server.port }} ssl;
 {% else %}
-        listen {{ server.address }}:{{ server.port }} ssl;
+        listen {{ server.address | bracketize_ipv6 }}:{{ server.port }} ssl;
 {% endif %}
 
 {% for name in server.name %}
         server_name {{ name }};
 {% endfor %}
 
 {% if server.certbot %}
         ssl_certificate {{ server.certbot_dir }}/live/{{ server.certbot_domain_dir }}/fullchain.pem;
         ssl_certificate_key {{ server.certbot_dir }}/live/{{ server.certbot_domain_dir }}/privkey.pem;
         include {{ server.certbot_dir }}/options-ssl-nginx.conf;
         ssl_dhparam {{ server.certbot_dir }}/ssl-dhparams.pem;
 {% elif server.vyos_cert %}
         ssl_certificate {{ server.vyos_cert.crt }};
         ssl_certificate_key {{ server.vyos_cert.key }};
 {% else %}
         #
         # Self signed certs generated by the ssl-cert package
         # Don't use them in a production server!
         #
         include snippets/snakeoil.conf;
 {% endif %}
 
         # proxy settings for HTTP API, if enabled; 503, if not
         location ~ /(retrieve|configure|config-file|image|generate|show|docs|openapi.json|redoc|graphql) {
 {% if server.api %}
                 proxy_pass http://localhost:{{ server.api.port }};
                 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                 proxy_set_header X-Forwarded-Proto $scheme;
                 proxy_read_timeout 600;
                 proxy_buffering off;
 {% else %}
                 return 503;
 {% endif %}
         }
 
         error_page 497 =301 https://$host:{{ server.port }}$request_uri;
         error_page 501 502 503 =200 @50*_json;
 
 {% if api_set %}
         location @50*_json {
                 default_type application/json;
                 return 200 '{"error": "service https api unavailable at this proxy address: set service https api-restrict virtual-host"}';
         }
 {% else %}
         location @50*_json {
                 default_type application/json;
                 return 200 '{"error": "Start service in configuration mode: set service https api"}';
         }
 {% endif %}
 
 }
 
 {% endfor %}