diff --git a/homeassistant/components/tellduslive/light.py b/homeassistant/components/tellduslive/light.py index abbfd8ac92e..9233924ef1b 100644 --- a/homeassistant/components/tellduslive/light.py +++ b/homeassistant/components/tellduslive/light.py @@ -67,6 +67,11 @@ class TelldusLiveLight(TelldusLiveEntity, Light): def turn_on(self, **kwargs): """Turn the light on.""" brightness = kwargs.get(ATTR_BRIGHTNESS, self._last_brightness) + if brightness == 0: + fallback_brightness = 100 + _LOGGER.info("Setting brightness to %d%%, because it was 0", + fallback_brightness) + brightness = int(fallback_brightness*255/100) self.device.dim(level=brightness) self.changed()