diff --git a/lib/extension/homeassistant.js b/lib/extension/homeassistant.js
index d7870577..07db476b 100644
--- a/lib/extension/homeassistant.js
+++ b/lib/extension/homeassistant.js
@@ -603,7 +603,7 @@ class HomeAssistant extends Extension {
 
                             discoveryEntry = {
                                 type: 'sensor',
-                                object_id: expose.endpoint ? `sensor_${expose.endpoint}` : expose.name,
+                                object_id: expose.property,
                                 discovery_payload: {
                                     value_template: `{{ value_json.${expose.property} }}`,
                                     ...lookup[expose.name],