diff --git a/machines/oracle/configuration.nix b/machines/oracle/configuration.nix
index bd029fe..7258b2d 100644
--- a/machines/oracle/configuration.nix
+++ b/machines/oracle/configuration.nix
@@ -8,7 +8,10 @@
 
   networking.hostName = "oracle";
   networking.domain = "subnet08161027.vcn08161027.oraclevcn.com";
-  networking.firewall.enable = true;
+  networking.firewall = {
+    enable = true;
+    allowedUDPPorts = [ 51820 ];
+  };
 
   services.openssh.enable = true;
   services.openssh.settings = {
@@ -18,7 +21,7 @@
   environment.systemPackages = with pkgs; [ wireguard-tools ];
 
   # Wireguard tunnel
-  age.secrets.wireguardOracle.file = "../../secrets/wireguard-oracle.age";
+  age.secrets.wireguardOracle.file = ../../secrets/wireguard-oracle.age;
   networking.wg-quick.interfaces = {
     wg0 = {
       address = [ "10.0.10.1/24" ];
@@ -28,8 +31,8 @@
       peers = [
         {
           publicKey = "iKJO9Q8LsdCdApapTX9CJmrtAKn1TYhg4YUiBUBPzmo=";
-          allowedIPs = "10.0.10.2/32";
-        };
+          allowedIPs = ["10.0.10.2/32"];
+        }
       ];
     };
   };