diff --git a/machines/lisa/configuration.nix b/machines/lisa/configuration.nix
index d4993b1..52ad08d 100644
--- a/machines/lisa/configuration.nix
+++ b/machines/lisa/configuration.nix
@@ -20,7 +20,7 @@ in
 
   networking = {
     hostName = "lisa";
-    firewall = { allowedTCPPorts = [ 5555 9002 ]; };
+    firewall = { allowedTCPPorts = [ 9002 ]; };
   };
 
   services = {