diff --git a/nixos/common/services/docker.nix b/nixos/common/services/docker.nix
index 02fd4c3d..6b071dd5 100644
--- a/nixos/common/services/docker.nix
+++ b/nixos/common/services/docker.nix
@@ -11,7 +11,7 @@
     # Allow Docker containers to access Tailscale network
     networking.firewall = {
       trustedInterfaces = [ "tailscale0" ];
-      allowedUDP = [ 41641 ]; # Tailscale port
+      allowedUDPPorts = [ 41641 ]; # Tailscale port
     };
 
     virtualisation.docker = {