diff --git a/homeassistant/components/sensor/rfxtrx.py b/homeassistant/components/sensor/rfxtrx.py index 49912acb621..6cd7b977231 100644 --- a/homeassistant/components/sensor/rfxtrx.py +++ b/homeassistant/components/sensor/rfxtrx.py @@ -41,6 +41,7 @@ def setup_platform(hass, config, add_devices_callback, discovery_info=None): sub_sensors = {} data_types = entity_info[ATTR_DATA_TYPE] if len(data_types) == 0: + data_type = "Unknown" for data_type in DATA_TYPES: if data_type in event.values: data_types = [data_type]