diff --git a/wobuzz/ui/track_progress_slider.py b/wobuzz/ui/track_progress_slider.py
index f08e40d..91e7bb0 100644
--- a/wobuzz/ui/track_progress_slider.py
+++ b/wobuzz/ui/track_progress_slider.py
@@ -57,7 +57,7 @@ class TrackProgressSlider(QSlider):
     def on_release(self):
         self.dragged = False
 
-        if self.app.player.current_playlist.has_tracks():
+        if self.app.player.current_playlist is not None and self.app.player.current_playlist.has_tracks():
             self.app.player.seek(self.value())
 
     def update_progress(self):