diff --git a/tests/backends/base/tracklist.py b/tests/backends/base/tracklist.py
index bbde4bcc..39fb020d 100644
--- a/tests/backends/base/tracklist.py
+++ b/tests/backends/base/tracklist.py
@@ -17,7 +17,7 @@ class TracklistControllerTest(object):
     def setUp(self):
         self.audio = audio.DummyAudio.start().proxy()
         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