diff --git a/openfm_qt/mainwindow.py b/openfm_qt/mainwindow.py
index d4de826..e655b51 100644
--- a/openfm_qt/mainwindow.py
+++ b/openfm_qt/mainwindow.py
@@ -27,9 +27,11 @@ class MainWindow(QMainWindow):
         self.__player = QMediaPlayer()
         self.__audio = QAudioOutput()
         self.__player.setAudioOutput(self.__audio)
-        self.setVolume(DEFAULT_VOLUME)
         self.printGroups()
 
+        self.setVolume(DEFAULT_VOLUME)
+        self.ui.volumeHorizontalSlider.setValue(DEFAULT_VOLUME)
+
         self.ui.groupsListWidget.itemClicked.connect(self.printStations)
         self.ui.stationsListWidget.itemClicked.connect(self.playRadio)
         self.ui.playbackToolButton.clicked.connect(self.togglePlayer)