diff --git a/contrib/nginx/zammad.conf b/contrib/nginx/zammad.conf
index 8b652773f..14a8d3903 100644
--- a/contrib/nginx/zammad.conf
+++ b/contrib/nginx/zammad.conf
@@ -12,6 +12,7 @@ upstream zammad-websocket {
 
 server {
     listen 80;
+    listen [::]:80;
 
     # replace 'localhost' with your fqdn if you want to use zammad from remote
     server_name localhost;
diff --git a/contrib/nginx/zammad_ssl.conf b/contrib/nginx/zammad_ssl.conf
index b3c4d6bb8..ee4278caf 100644
--- a/contrib/nginx/zammad_ssl.conf
+++ b/contrib/nginx/zammad_ssl.conf
@@ -18,6 +18,7 @@ upstream zammad-websocket {
 
 server {
   listen 80;
+  listen [::]:80;
 
   server_name example.com;
 
@@ -38,6 +39,7 @@ server {
 
 server {
   listen 443 ssl http2;
+  listen [::]:443 ssl http2;
 
   server_name example.com;