diff --git a/hosts/dregil/configuration.nix b/hosts/dregil/configuration.nix
index ff43a6b..902735c 100644
--- a/hosts/dregil/configuration.nix
+++ b/hosts/dregil/configuration.nix
@@ -102,7 +102,7 @@ in {
 
   # Open ports in the firewall
   # 22000, 21027 syncthing discovery and connectivity
-  networking.firewall.allowedTCPPorts = [ 22000 ];
+  networking.firewall.allowedTCPPorts = [ 5223 22000 ];
   networking.firewall.allowedUDPPorts = [ 21027 22000 ];
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;