diff --git a/custom_components/ytube_music_player/media_player.py b/custom_components/ytube_music_player/media_player.py
index 37fe23a..d1c82bd 100644
--- a/custom_components/ytube_music_player/media_player.py
+++ b/custom_components/ytube_music_player/media_player.py
@@ -94,6 +94,9 @@ def __init__(self, hass, config):
 						self._api = None
 						self.exc(resp="ytmusicapi")
 						return
+				if(self._api):
+					# test login
+					self._api.get_library_songs()
 			else:
 				msg= "can't file header file at "+config.get(CONF_HEADER_PATH, default_header_file)
 				_LOGGER.error(msg)