diff --git a/homeassistant/components/sensor/forecast.py b/homeassistant/components/sensor/forecast.py index 11d97e645a7..2c966530967 100644 --- a/homeassistant/components/sensor/forecast.py +++ b/homeassistant/components/sensor/forecast.py @@ -71,7 +71,7 @@ SENSOR_TYPES = { 'humidity': ['Humidity', '%'], 'pressure': ['Pressure', 'mBar'], 'visibility': ['Visibility', 'km'], - 'ozone': ['Ozone', ''], + 'ozone': ['Ozone', 'DU'], } # Return cached results if last scan was less then this time ago