diff --git a/lib/extension/homeassistant.ts b/lib/extension/homeassistant.ts
index 3eb3070c..4211c610 100644
--- a/lib/extension/homeassistant.ts
+++ b/lib/extension/homeassistant.ts
@@ -856,6 +856,12 @@ export default class HomeAssistant extends Extension {
                 delete discoveryEntry.discovery_payload.device_class;
             }
 
+            // entity_category config is not allowed for sensors
+            // https://github.com/Koenkk/zigbee2mqtt/issues/20252
+            if (discoveryEntry.discovery_payload.entity_category === 'config') {
+                delete discoveryEntry.discovery_payload.entity_category;
+            }
+
             // Let Home Assistant generate entity name when device_class is present
             if (discoveryEntry.discovery_payload.device_class) delete discoveryEntry.discovery_payload.name;
 
diff --git a/test/publish.test.js b/test/publish.test.js
index 8b3927d4..1a0f0d91 100644
--- a/test/publish.test.js
+++ b/test/publish.test.js
@@ -1407,7 +1407,7 @@ describe('Publish', () => {
         expect(MQTT.publish.mock.calls[3]).toEqual([ 'zigbee2mqtt/bulb_color', stringify({"state":"ON","brightness":150}), { qos: 0, retain: false }, expect.any(Function)]);
     });
 
-    it('onlythis Scenes', async () => {
+    it('Scenes', async () => {
         const bulb_color_2 = zigbeeHerdsman.devices.bulb_color_2.getEndpoint(1);
         const bulb_2 = zigbeeHerdsman.devices.bulb_2.getEndpoint(1);
         const group = zigbeeHerdsman.groups.group_tradfri_remote;