diff --git a/app/musicmuster.py b/app/musicmuster.py
index 2795815..84b2ccc 100755
--- a/app/musicmuster.py
+++ b/app/musicmuster.py
@@ -1031,6 +1031,7 @@ class Window(QMainWindow, Ui_MainWindow):
         # Show closing volume graph
         if track_sequence.current.fade_graph:
             track_sequence.current.fade_graph.GraphWidget = self.widgetFadeVolume
+            track_sequence.current.fade_graph.clear()
             track_sequence.current.fade_graph.plot()
         else:
             log.error("No fade_graph")
diff --git a/tests/test_playlists.py b/tests/test_ui.py
similarity index 100%
rename from tests/test_playlists.py
rename to tests/test_ui.py