diff --git a/systems/x86_64-linux/nyx/default.nix b/systems/x86_64-linux/nyx/default.nix
index 60f1168..3717567 100644
--- a/systems/x86_64-linux/nyx/default.nix
+++ b/systems/x86_64-linux/nyx/default.nix
@@ -8,6 +8,9 @@ in {
 
   networking.hostName = "nyx";
 
+  # For local dev.
+  networking.firewall.allowedTCPPorts = [8080];
+
   marleyos = {
     hasNvidia = true;
     mounts.babeshare = enabled;