diff --git a/tests/test_models.py b/tests/test_models.py
index c4c8f66..5e0856a 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -152,7 +152,7 @@ class TestMMModels(unittest.TestCase):
             assert len(Playlists.get_open(session)) == 1
             assert len(Playlists.get_closed(session)) == 0
 
-            playlist.close()
+            playlist.close(session)
 
             assert len(Playlists.get_open(session)) == 0
             assert len(Playlists.get_closed(session)) == 1