diff --git a/homeassistant/components/sensor/template.py b/homeassistant/components/sensor/template.py index b87e26aa415..fd2009b37e5 100644 --- a/homeassistant/components/sensor/template.py +++ b/homeassistant/components/sensor/template.py @@ -126,4 +126,9 @@ class SensorTemplate(Entity): self._state = template.render(self.hass, self._template) except TemplateError as ex: self._state = STATE_ERROR + if ex.args and ex.args[0].startswith( + "UndefinedError: 'None' has no attribute"): + # Common during HA startup - so just a trace + _LOGGER.info(ex) + return _LOGGER.error(ex)