diff --git a/mopidy/core/playback.py b/mopidy/core/playback.py
index dba1ce4d..fbbab4e5 100644
--- a/mopidy/core/playback.py
+++ b/mopidy/core/playback.py
@@ -254,8 +254,8 @@ class PlaybackController(object):
         """
         self._trigger_track_playback_ended()
         tl_track = self.current_tl_track
-        self.change_track(self.core.tracklist.previous_track(tl_track),
-                          on_error_step=-1)
+        self.change_track(
+            self.core.tracklist.previous_track(tl_track), on_error_step=-1)
 
     def resume(self):
         """If paused, resume playing the current track."""