diff --git a/beets/autotag/hooks.py b/beets/autotag/hooks.py
index 4a89e6dc8..5c8e0e2c5 100644
--- a/beets/autotag/hooks.py
+++ b/beets/autotag/hooks.py
@@ -297,7 +297,7 @@ class Distance(object):
         self._penalties = {}
 
     @LazyClassProperty
-    def _weights(self):
+    def _weights(cls):  # noqa
         """A dictionary from keys to floating-point weights.
         """
         weights_view = config['match']['distance_weights']