Fix Nextcloud sensors becoming unavailable (#40212)

homeassistant/components/nextcloud/__init__.py

@@ -100,7 +100,6 @@ def setup(hass, config):
         _LOGGER.error("Nextcloud setup failed - Check configuration")
 
     hass.data[DOMAIN] = get_data_points(ncm.data)
-    hass.data[DOMAIN]["instance"] = conf[CONF_URL]
 
     def nextcloud_update(event_time):
         """Update data from nextcloud api."""
@@ -111,6 +110,7 @@ def setup(hass, config):
             return False
 
         hass.data[DOMAIN] = get_data_points(ncm.data)
+        hass.data[DOMAIN]["instance"] = conf[CONF_URL]
 
     # Update sensors on time interval
     track_time_interval(hass, nextcloud_update, conf[CONF_SCAN_INTERVAL])