diff --git a/config/hosts/lifeline/configuration.nix b/config/hosts/lifeline/configuration.nix
index 2930c69..b26eb44 100644
--- a/config/hosts/lifeline/configuration.nix
+++ b/config/hosts/lifeline/configuration.nix
@@ -59,6 +59,7 @@
       ];
     };
     firewall = {
+      enable = true;
       allowedUDPPorts = [ 51820 ];
     };
   };