diff --git a/homeassistant/components/microbees/light.py b/homeassistant/components/microbees/light.py
index 2985e9664c2a..a771c69388c2 100644
--- a/homeassistant/components/microbees/light.py
+++ b/homeassistant/components/microbees/light.py
@@ -30,6 +30,7 @@ async def async_setup_entry(
 class MBLight(MicroBeesActuatorEntity, LightEntity):
     """Representation of a microBees light."""
 
+    _attr_color_mode = ColorMode.RGBW
     _attr_supported_color_modes = {ColorMode.RGBW}
 
     def __init__(