diff --git a/nginx.conf.example b/nginx.conf.example
index b09d042..1022c3e 100644
--- a/nginx.conf.example
+++ b/nginx.conf.example
@@ -20,8 +20,9 @@ server {
     # return 301 https://$server_name$request_uri;
 
     # Proxy ALL requests (including assets) to Node.js server
+    # Use 127.0.0.1 instead of localhost to force IPv4 (localhost can resolve to IPv6 ::1)
     location / {
-        proxy_pass http://localhost:3001;
+        proxy_pass http://127.0.0.1:3001;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection 'upgrade';
@@ -48,7 +49,7 @@ server {
 #     server_name your-domain.com www.your-domain.com;  # Replace with your domain
 #     
 #     location / {
-#         proxy_pass http://localhost:3001;
+#         proxy_pass http://127.0.0.1:3001;
 #         proxy_http_version 1.1;
 #         proxy_set_header Upgrade $http_upgrade;
 #         proxy_set_header Connection 'upgrade';
@@ -81,7 +82,7 @@ server {
 #     ssl_prefer_server_ciphers on;
 # 
 #     location / {
-#         proxy_pass http://localhost:3001;
+#         proxy_pass http://127.0.0.1:3001;
 #         proxy_http_version 1.1;
 #         proxy_set_header Upgrade $http_upgrade;
 #         proxy_set_header Connection 'upgrade';