diff --git a/conf.d/opticswiki.conf b/conf.d/opticswiki.conf
index ea93766..4601aa1 100644
--- a/conf.d/opticswiki.conf
+++ b/conf.d/opticswiki.conf
@@ -1,6 +1,6 @@
 # opticswiki conf for nginx
 # cloned from gfa-status-test.conf
-# adjustments UF 20251006
+# adjustments UF 20251006 use port 8090
 server {
     listen 80;
     server_name opticswiki.psi.ch;
@@ -15,7 +15,7 @@ server {
     ssl_certificate_key /etc/nginx/private/opticswiki.psi.ch.key;
 
     location / {
-        proxy_pass http://opticswiki:80;
+        proxy_pass http://opticswiki:8090;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;