diff --git a/unix/vncserver_defaults.yaml b/unix/vncserver_defaults.yaml
index 4cb81f5..88f840d 100644
--- a/unix/vncserver_defaults.yaml
+++ b/unix/vncserver_defaults.yaml
@@ -9,6 +9,7 @@ desktop:
 network:
   protocol: http|vnc
   interface: 0.0.0.0
+  websocket_port: default
   use_ipv4: true
   use_ipv6: true
   ssl: