diff --git a/lib/extension/homeassistant.ts b/lib/extension/homeassistant.ts
index 029c3bd0..af82a2e4 100644
--- a/lib/extension/homeassistant.ts
+++ b/lib/extension/homeassistant.ts
@@ -536,16 +536,13 @@ export default class HomeAssistant extends Extension {
                     },
                 };
 
-                const colorModes = [
+                discoveryEntry.discovery_payload.supported_color_modes = [
+                    'brightness',
                     hasColorXY && !preferHS ? 'xy' : null,
                     (!hasColorXY || preferHS) && hasColorHS ? 'hs' : null,
                     hasColorTemp ? 'color_temp' : null,
                 ].filter((c) => c);
 
-                if (colorModes.length) {
-                    discoveryEntry.discovery_payload.supported_color_modes = colorModes;
-                }
-
                 if (hasColorTemp) {
                     const colorTemps = (exposes as zhc.Light[])
                         .map((expose) => expose.features.find((e) => e.name === 'color_temp'))
diff --git a/test/extensions/homeassistant.test.ts b/test/extensions/homeassistant.test.ts
index c78fcce2..a4367221 100644
--- a/test/extensions/homeassistant.test.ts
+++ b/test/extensions/homeassistant.test.ts
@@ -141,7 +141,7 @@ describe('Extension: HomeAssistant', () => {
             name: null,
             schema: 'json',
             state_topic: 'zigbee2mqtt/ha_discovery_group',
-            supported_color_modes: ['xy', 'color_temp'],
+            supported_color_modes: ['brightness', 'xy', 'color_temp'],
             effect: true,
             effect_list: [
                 'blink',
@@ -381,7 +381,7 @@ describe('Extension: HomeAssistant', () => {
             availability: [{topic: 'zigbee2mqtt/bridge/state', value_template: '{{ value_json.state }}'}],
             brightness: true,
             brightness_scale: 254,
-            supported_color_modes: ['color_temp'],
+            supported_color_modes: ['brightness', 'color_temp'],
             min_mireds: 250,
             max_mireds: 454,
             command_topic: 'zigbee2mqtt/bulb/set',
@@ -1633,7 +1633,7 @@ describe('Extension: HomeAssistant', () => {
             name: null,
             schema: 'json',
             state_topic: 'zigbee2mqtt/ha_discovery_group_new',
-            supported_color_modes: ['xy', 'color_temp'],
+            supported_color_modes: ['brightness', 'xy', 'color_temp'],
             effect: true,
             effect_list: [
                 'blink',
@@ -2101,7 +2101,7 @@ describe('Extension: HomeAssistant', () => {
             name: null,
             schema: 'json',
             state_topic: 'zigbee2mqtt/ha_discovery_group',
-            supported_color_modes: ['xy', 'color_temp'],
+            supported_color_modes: ['brightness', 'xy', 'color_temp'],
             effect: true,
             effect_list: [
                 'blink',
@@ -2145,7 +2145,7 @@ describe('Extension: HomeAssistant', () => {
             name: null,
             schema: 'json',
             state_topic: 'zigbee2mqtt/ha_discovery_group',
-            supported_color_modes: ['xy', 'color_temp'],
+            supported_color_modes: ['brightness', 'xy', 'color_temp'],
             effect: true,
             effect_list: [
                 'blink',
@@ -2200,7 +2200,7 @@ describe('Extension: HomeAssistant', () => {
             name: null,
             schema: 'json',
             state_topic: 'zigbee2mqtt/bulb',
-            supported_color_modes: ['color_temp'],
+            supported_color_modes: ['brightness', 'color_temp'],
             object_id: 'bulb',
             unique_id: '0x000b57fffec6a5b2_light_zigbee2mqtt',
             origin: origin,