diff --git a/instances/loki/configuration.nix b/instances/loki/configuration.nix
index ea66196..33c690e 100644
--- a/instances/loki/configuration.nix
+++ b/instances/loki/configuration.nix
@@ -284,6 +284,7 @@ with lib; {
       8123 # HOME ASSISTANT
       8384 # SYNCTHING
       8385 # SYNCTHING
+      9999
     ];
     allowedUDPPorts = [
       137 # SYNCTHING