diff --git a/app/musicmuster.py b/app/musicmuster.py
index 457fb5b..ca20342 100755
--- a/app/musicmuster.py
+++ b/app/musicmuster.py
@@ -1161,7 +1161,7 @@ class Window(QMainWindow, Ui_MainWindow):
 
         # Show closing volume graph
         if track_sequence.current.fade_graph:
-            log.debug("issue223: play_next: set up fade_graph")
+            log.debug(f"issue223: play_next: set up fade_graph, {track_sequence.current.title=}")
             track_sequence.current.fade_graph.GraphWidget = self.widgetFadeVolume
             track_sequence.current.fade_graph.clear()
             track_sequence.current.fade_graph.plot()
diff --git a/app/trackmanager.py b/app/trackmanager.py
index 0607f56..0e0516d 100644
--- a/app/trackmanager.py
+++ b/app/trackmanager.py
@@ -112,6 +112,10 @@ class _FadeCurve:
             self.curve = self.GraphWidget.plot(self.graph_array)
             if self.curve:
                 self.curve.setPen(Config.FADE_CURVE_FOREGROUND)
+            else:
+                log.debug("_FadeCurve.plot: no curve")
+        else:
+            log.debug("_FadeCurve.plot: no GraphWidget")
 
     def tick(self, play_time: int) -> None:
         """Update volume fade curve"""