diff --git a/homeassistant/components/sensor/metoffice.py b/homeassistant/components/sensor/metoffice.py
index c1ffb01d212046..961b4692e937cb 100644
--- a/homeassistant/components/sensor/metoffice.py
+++ b/homeassistant/components/sensor/metoffice.py
@@ -141,7 +141,7 @@ def device_state_attributes(self):
         attr['Sensor Id'] = self._condition
         attr['Site Id'] = self.site.id
         attr['Site Name'] = self.site.name
-        attr['Last Update'] = self.data.lastupdate
+        attr['Last Update'] = self.data.data.date
         attr[ATTR_ATTRIBUTION] = CONF_ATTRIBUTION
         return attr