diff --git a/mopidy/frontends/mpd/dispatcher.py b/mopidy/frontends/mpd/dispatcher.py
index 4a1a4c04..9ea625de 100644
--- a/mopidy/frontends/mpd/dispatcher.py
+++ b/mopidy/frontends/mpd/dispatcher.py
@@ -272,13 +272,12 @@ class MpdContext(object):
                 name = self.create_unique_name(playlist.name)
                 self._playlist_uri_from_name[name] = playlist.uri
                 self.playlist_name_from_uri[playlist.uri] = name
-        logger.info("Refreshed name mappings for %u playlists" % len(self.playlist_name_from_uri))
 
     def lookup_playlist_from_name(self, name):
         """
         Helper function to retrieve a playlist from it's unique MPD name.
         """
-        if len(self._playlist_uri_from_name) == 0:
+        if not self._playlist_uri_from_name:
             self.refresh_playlists_mapping()
         if name not in self._playlist_uri_from_name:
             return None;