diff --git a/nixos/queen/configuration.nix b/nixos/queen/configuration.nix
index 8a351e0..11dd541 100644
--- a/nixos/queen/configuration.nix
+++ b/nixos/queen/configuration.nix
@@ -113,7 +113,7 @@
   # Enable networking
   networking.networkmanager.enable = true;
 
-  networking.firewall.allowedTCPPorts = [80 443 1443];
+  networking.firewall.allowedTCPPorts = [80 443 1433];
 
   # Set your time zone.
   time.timeZone = "Europe/Amsterdam";