diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index efc6f06e..a625db04 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -958,6 +958,38 @@ void Window::vApplyConfigFilterIB()
   }
 }
 
+void Window::vApplyConfigMute()
+{
+  bool bMute = m_poSoundConfig->oGetKey<bool>("mute");
+  if (bMute)
+  {
+    soundSetEnable(0x000);
+  }
+  else
+  {
+    soundSetEnable(0x30f);
+  }
+}
+
+void Window::vApplyConfigVolume()
+{
+  float fSoundVolume = m_poSoundConfig->oGetKey<float>("volume");
+  soundSetVolume(fSoundVolume);
+}
+
+void Window::vApplyConfigSoundQuality()
+{
+  m_eSoundQuality = (ESoundQuality)m_poSoundConfig->oGetKey<int>("quality");
+  if (m_eCartridge == CartridgeGBA)
+  {
+    soundSetQuality(m_eSoundQuality);
+  }
+  else if (m_eCartridge == CartridgeGB)
+  {
+    gbSoundSetQuality(m_eSoundQuality);
+  }
+}
+
 void Window::vHistoryAdd(const std::string & _rsFile)
 {
   std::string sURL = "file://" + _rsFile;
diff --git a/src/gtk/window.h b/src/gtk/window.h
index 32bfa3e0..9515d985 100644
--- a/src/gtk/window.h
+++ b/src/gtk/window.h
@@ -79,6 +79,9 @@ public:
   void vApplyConfigFilter();
   void vApplyConfigFilterIB();
   void vApplyConfigScreenArea();
+  void vApplyConfigMute();
+  void vApplyConfigVolume();
+  void vApplyConfigSoundQuality();
   void vUpdateScreen();
 
   inline ECartridge eGetCartridge() const { return m_eCartridge; }
diff --git a/src/gtk/windowcallbacks.cpp b/src/gtk/windowcallbacks.cpp
index f03e8c30..0db4d82b 100644
--- a/src/gtk/windowcallbacks.cpp
+++ b/src/gtk/windowcallbacks.cpp
@@ -474,15 +474,8 @@ void Window::vOnFlashSizeToggled(Gtk::CheckMenuItem * _poCMI, int _iFlashSize)
 void Window::vOnSoundMuteToggled(Gtk::CheckMenuItem * _poCMI)
 {
   bool bMute = _poCMI->get_active();
-  if (bMute)
-  {
-    soundSetEnable(0x000);
-  }
-  else
-  {
-    soundSetEnable(0x30f);
-  }
   m_poSoundConfig->vSetKey("mute", bMute);
+  vApplyConfigMute();
 }
 
 void Window::vOnSoundQualityToggled(Gtk::CheckMenuItem * _poCMI, int _iSoundQuality)
@@ -492,16 +485,8 @@ void Window::vOnSoundQualityToggled(Gtk::CheckMenuItem * _poCMI, int _iSoundQual
     return;
   }
 
-  m_eSoundQuality = (ESoundQuality)_iSoundQuality;
-  if (m_eCartridge == CartridgeGBA)
-  {
-    soundSetQuality(_iSoundQuality);
-  }
-  else if (m_eCartridge == CartridgeGB)
-  {
-    gbSoundSetQuality(_iSoundQuality);
-  }
   m_poSoundConfig->vSetKey("quality", _iSoundQuality);
+  vApplyConfigSoundQuality();
 }
 
 void Window::vOnSoundVolumeToggled(Gtk::CheckMenuItem * _poCMI, float _fSoundVolume)
@@ -511,8 +496,8 @@ void Window::vOnSoundVolumeToggled(Gtk::CheckMenuItem * _poCMI, float _fSoundVol
     return;
   }
 
-  soundSetVolume(_fSoundVolume);
   m_poSoundConfig->vSetKey("volume", _fSoundVolume);
+  vApplyConfigVolume();
 }
 
 void Window::vOnGBBorderToggled(Gtk::CheckMenuItem * _poCMI)