diff --git a/build/etc/nginx/conf.d/omc.conf b/build/etc/nginx/conf.d/omc.conf
index 0731143..5eebc39 100644
--- a/build/etc/nginx/conf.d/omc.conf
+++ b/build/etc/nginx/conf.d/omc.conf
@@ -1,6 +1,6 @@
 server {
-    listen                             443 ssl;
-    listen                             [::]:443 ssl;
+    listen                             4443 ssl;
+    listen                             [::]:4443 ssl;
     server_name                        0.0.0.0;
     root /usr/local/omc/htdocs/front/;
     index index.html index.htm;