diff --git a/src/mainwindow.py b/src/mainwindow.py
index 7cc538d..7bc546c 100644
--- a/src/mainwindow.py
+++ b/src/mainwindow.py
@@ -46,6 +46,10 @@ def load_custom_font() -> str:
 class MainWindow(QMainWindow):
     def __init__(self):
         super().__init__()
+
+        # Initialisation de la configuration
+        self.config = ConfigManager()
+
         self.ui = QUiLoader().load(f"{bundle_dir}/ui/mainwindow.ui", self)
         central = self.ui.centralWidget()
         self.setCentralWidget(central)
@@ -77,9 +81,9 @@ class MainWindow(QMainWindow):
 
         #  Définir la valeur initiale du slider (ici: 10%)
         #self.ui.audio_volume_adjust.setValue(10)
-        self.ui.audio_volume_adjust.setValue(config.get_volume())
+        self.ui.audio_volume_adjust.setValue(self.config.get_volume())
         #self.audio_output.setVolume(0.1)
-        self.audio_output.setVolume(config.get_volume() / 100)
+        self.audio_output.setVolume(self.config.get_volume() / 100)
 
         # Initialisation de la mémoire du volume (par défaut 10%)
         self.previous_volume = 10
@@ -214,11 +218,9 @@ class MainWindow(QMainWindow):
             self.ui.mute_btn.setStyleSheet("")
 
             self.is_muted = False
-            config.set_volume(self.previous_volume)
+            self.config.set_volume(self.previous_volume)
 
 if __name__ == "__main__":
-    # Initialisation de la configuration
-    config = ConfigManager()
     app = QApplication(sys.argv)
 
     with open(f"{bundle_dir}/styles/styles.qss", 'r') as f: