diff --git a/mopidy/core/actor.py b/mopidy/core/actor.py
index 1c635799..03ad2712 100644
--- a/mopidy/core/actor.py
+++ b/mopidy/core/actor.py
@@ -46,9 +46,10 @@ class Core(pykka.ThreadingActor, AudioListener, BackendListener):
 
         self.tracklist = TracklistController(core=self)
 
-        # Hook up blocking on end of track handler to audio sub-system.
-        audio.set_on_end_of_track(
-            lambda: self.actor_ref.proxy().playback.on_end_of_track().get())
+        if audio:
+            # Hook up blocking on end of track handler to audio sub-system.
+            audio.set_on_end_of_track(
+                lambda: self.actor_ref.proxy().playback.on_end_of_track().get())
 
     def get_uri_schemes(self):
         futures = [b.uri_schemes for b in self.backends]
diff --git a/tests/backends/base/tracklist.py b/tests/backends/base/tracklist.py
index 71f44018..39536edc 100644
--- a/tests/backends/base/tracklist.py
+++ b/tests/backends/base/tracklist.py
@@ -18,7 +18,7 @@ class TracklistControllerTest(object):
     def setUp(self):
         self.audio = mock.Mock(spec=audio.Audio)
         self.backend = self.backend_class.start(audio=self.audio).proxy()
-        self.core = core.Core(audio=audio, backends=[self.backend])
+        self.core = core.Core(audio=self.audio, backends=[self.backend])
         self.controller = self.core.tracklist
         self.playback = self.core.playback