diff --git a/app/musicmuster.py b/app/musicmuster.py
index d90644b..a1f5745 100755
--- a/app/musicmuster.py
+++ b/app/musicmuster.py
@@ -1708,6 +1708,9 @@ class Window(QMainWindow, Ui_MainWindow):
         Called every 1000ms
         """
 
+        # Ensure preview button is reset if preview finishes playing
+        self.btnPreview.setChecked(mixer.music.get_busy())
+
         # Only update play clocks once a second so that their updates
         # are synchronised (otherwise it looks odd)