diff --git a/configuration.ao.nix b/configuration.ao.nix
index d3de5c7b..ff867d31 100644
--- a/configuration.ao.nix
+++ b/configuration.ao.nix
@@ -17,4 +17,5 @@
   networking.networkmanager.enable = true;
 
   services.syncthing.guiAddress = "192.168.1.10:8384";
+  networking.firewall.allowedTCPPorts = [ 8384 ];
 }