diff --git a/code/nel/src/sound/driver/fmod/listener_fmod.cpp b/code/nel/src/sound/driver/fmod/listener_fmod.cpp
index 3c315041a..0900e4491 100644
--- a/code/nel/src/sound/driver/fmod/listener_fmod.cpp
+++ b/code/nel/src/sound/driver/fmod/listener_fmod.cpp
@@ -26,36 +26,23 @@ namespace NLSOUND
 {
 
 
-// ***************************************************************************
-// The instance of the singleton
-CListenerFMod	*CListenerFMod::_Instance = NULL;
-
-
 // ***************************************************************************
 CListenerFMod::CListenerFMod() //: IListener()
 :	_Pos(CVector::Null), _Vel(CVector::Null), _Front(CVector::J), _Up(CVector::K)
 {
-	if ( _Instance == NULL )
+	_RolloffFactor= 1.f;
+	_Pos= CVector::Null;
+	_Vel= CVector::Null;
+	_Front= CVector::J;
+	_Up= CVector::K;
+	if (CSoundDriverFMod::getInstance()->getOption(ISoundDriver::OptionManualRolloff))
 	{
-		_Instance = this;
-		_RolloffFactor= 1.f;
-		_Pos= CVector::Null;
-		_Vel= CVector::Null;
-		_Front= CVector::J;
-		_Up= CVector::K;
-		if (CSoundDriverFMod::getInstance()->getOption(ISoundDriver::OptionManualRolloff))
+		// Manual RollOff => disable API rollOff
+		if( CSoundDriverFMod::getInstance()->fmodOk() )
 		{
-			// Manual RollOff => disable API rollOff
-			if( CSoundDriverFMod::getInstance()->fmodOk() )
-			{
-				FSOUND_3D_SetRolloffFactor(0);
-			}
+			FSOUND_3D_SetRolloffFactor(0);
 		}
 	}
-	else
-	{
-		//nlerror( "Listener singleton instanciated twice" );
-	}
 }
 
 
@@ -65,7 +52,6 @@ CListenerFMod::~CListenerFMod()
 	//nldebug("Destroying FMod listener");
 
     release();
-	_Instance = NULL;
 }
 
 
diff --git a/code/nel/src/sound/driver/fmod/listener_fmod.h b/code/nel/src/sound/driver/fmod/listener_fmod.h
index 1e8028f3b..134c63c66 100644
--- a/code/nel/src/sound/driver/fmod/listener_fmod.h
+++ b/code/nel/src/sound/driver/fmod/listener_fmod.h
@@ -17,9 +17,11 @@
 #ifndef NL_LISTENER_FMOD_H
 #define NL_LISTENER_FMOD_H
 
-#include <nel/sound/driver/listener.h>
+#include "nel/sound/driver/listener.h"
+#include "nel/misc/singleton.h"
 
-namespace NLSOUND {
+namespace NLSOUND
+{
 
 
 /**
@@ -32,7 +34,7 @@ namespace NLSOUND {
  * \author Nevrax France
  * \date 2002
  */
-class CListenerFMod : public IListener
+class CListenerFMod : public IListener, public NLMISC::CManualSingleton<CListenerFMod>
 {
 friend class CSoundDriverFMod;
 
@@ -44,9 +46,6 @@ public:
 	/// Deconstructor
 	virtual ~CListenerFMod();
 
-	/// Return the instance of the singleton
-	static CListenerFMod* instance() { return _Instance; }
-
 	/// \name Listener properties
 	//@{
 
@@ -109,9 +108,6 @@ private:
 	/// Release all DirectSound resources
 	void					release();
 
-	/// The instance of the singleton
-	static CListenerFMod	*_Instance;
-
 	// Nel Basis
 	NLMISC::CVector			_Pos;
 	NLMISC::CVector			_Vel;
diff --git a/code/nel/src/sound/driver/fmod/sound_driver_fmod.cpp b/code/nel/src/sound/driver/fmod/sound_driver_fmod.cpp
index 60c8bab75..fd491b0af 100644
--- a/code/nel/src/sound/driver/fmod/sound_driver_fmod.cpp
+++ b/code/nel/src/sound/driver/fmod/sound_driver_fmod.cpp
@@ -149,9 +149,9 @@ CSoundDriverFMod::~CSoundDriverFMod()
 
 
 	// Assure that the listener has released all resources before closing down FMod
-	if (CListenerFMod::instance() != 0)
+	if (CListenerFMod::getInstance() != 0)
 	{
-		CListenerFMod::instance()->release();
+		CListenerFMod::getInstance()->release();
 	}
 
 	// Close FMod
@@ -283,9 +283,9 @@ void CSoundDriverFMod::update()
 IListener *CSoundDriverFMod::createListener()
 {
 
-    if (CListenerFMod::instance() != NULL)
+    if (CListenerFMod::isInitialized())
     {
-        return CListenerFMod::instance();
+        return CListenerFMod::getInstance();
     }
 
     if ( !_FModOk )
@@ -353,7 +353,7 @@ void CSoundDriverFMod::commit3DChanges()
 		// We handle the volume of the source according to the distance
 		// ourselves. Call updateVolume() to, well..., update the volume
 		// according to, euh ..., the new distance!
-		CListenerFMod* listener = CListenerFMod::instance();
+		CListenerFMod* listener = CListenerFMod::getInstance();
 		if(listener)
 		{
 			const CVector &origin = listener->getPos();
diff --git a/code/nel/src/sound/driver/fmod/source_fmod.cpp b/code/nel/src/sound/driver/fmod/source_fmod.cpp
index 1167afb0d..2ae9a0ea1 100644
--- a/code/nel/src/sound/driver/fmod/source_fmod.cpp
+++ b/code/nel/src/sound/driver/fmod/source_fmod.cpp
@@ -42,15 +42,14 @@ CSourceFMod::CSourceFMod( uint sourcename )
 
 	_PosRelative= false;
 	_Loop = false;
-	_Gain = 1.0f;
+	_Gain = NLSOUND_DEFAULT_GAIN;
 	_Alpha = 0.0;
 	_Pos= _Vel= CVector::Null;
 	_Front= CVector::J;
 	_MinDist= 1.f;
-	_MaxDist= FLT_MAX;
+	_MaxDist= numeric_limits<float>::max();
 	_Pitch= 1.0f;
 
-
 	_FModChannel= -1;
 }
 
@@ -180,7 +179,7 @@ bool CSourceFMod::play()
 			else
 			{
 				// manual rolloff => recompute according to position
-				CListenerFMod *listener = CListenerFMod::instance();
+				CListenerFMod *listener = CListenerFMod::getInstance();
 				if (listener) updateVolume(listener->getPos());
 			}
 
@@ -510,7 +509,7 @@ void CSourceFMod::updateFModPos()
 		// If relative, must transform to absolute
 		if(_PosRelative)
 		{
-			CListenerFMod	*lsr= CListenerFMod::instance();
+			CListenerFMod	*lsr= CListenerFMod::getInstance();
 			if(lsr)
 			{
 				wpos= lsr->getPosMatrix() * wpos;