diff --git a/nixos/boxes/bolty/home-assistant.nix b/nixos/boxes/bolty/home-assistant.nix
index 2adada8e..4f32eb25 100644
--- a/nixos/boxes/bolty/home-assistant.nix
+++ b/nixos/boxes/bolty/home-assistant.nix
@@ -36,6 +36,7 @@ in {
     settings = {
       homeassistant = true;
       permit_join = true;
+      availability = true;
       frontend.port = 8089;
       mqtt.server = "mqtt://10.0.0.8:1883";
       serial = {