diff --git a/code/nel/include/nel/3d/mesh_multi_lod.h b/code/nel/include/nel/3d/mesh_multi_lod.h
index d56383f26..d057b40b6 100644
--- a/code/nel/include/nel/3d/mesh_multi_lod.h
+++ b/code/nel/include/nel/3d/mesh_multi_lod.h
@@ -56,12 +56,13 @@ public:
 	class CMeshMultiLodBuild
 	{
 	public:
+		CMeshMultiLodBuild() : StaticLod(false) { }
 
 		/// A slot of mesh for the build
 		class CBuildSlot
 		{
 		public:
-			CBuildSlot() : MeshGeom(NULL) { }
+			CBuildSlot() : MeshGeom(NULL), DistMax(0.0f), BlendLength(0.0f), Flags(0) { }
 			/**
 			  * Flags for the build of a slot
 			  *
diff --git a/code/nel/src/3d/instance_lighter.cpp b/code/nel/src/3d/instance_lighter.cpp
index 47c5dddf1..5fb2e2017 100644
--- a/code/nel/src/3d/instance_lighter.cpp
+++ b/code/nel/src/3d/instance_lighter.cpp
@@ -349,6 +349,7 @@ void CInstanceLighter::light (const CInstanceGroup &igIn, CInstanceGroup &igOut,
 					CSurfaceLightGrid::CCellCorner		defaultCellCorner;
 					defaultCellCorner.SunContribution= 0;
 					defaultCellCorner.Light[0]= 0xFF;
+					defaultCellCorner.Light[1]= 0xFF;
 					defaultCellCorner.LocalAmbientId= 0xFF;
 
 					// Init the grid.
diff --git a/code/nel/src/3d/lod_character_manager.cpp b/code/nel/src/3d/lod_character_manager.cpp
index b60b6e4ec..3a538afcf 100644
--- a/code/nel/src/3d/lod_character_manager.cpp
+++ b/code/nel/src/3d/lod_character_manager.cpp
@@ -373,7 +373,6 @@ bool			CLodCharacterManager::addRenderCharacterKey(CLodCharacterInstance &instan
 	float			a00, a01, a02;
 	float			a10, a11, a12;
 	float			a20, a21, a22;
-	sint			f8;
 	uint64			blank= 0;
 	CRGBA			ambient= paramAmbient;
 	CRGBA			diffuse= paramDiffuse;
@@ -502,6 +501,8 @@ bool			CLodCharacterManager::addRenderCharacterKey(CLodCharacterInstance &instan
 
 		if(numVertices)
 		{
+			sint f8;
+
 			/* NB: order is important for AGP filling optimisation in dstPtr
 
 				Pentium2+ optimisation notes:
diff --git a/code/nel/src/3d/packed_world.cpp b/code/nel/src/3d/packed_world.cpp
index 1f23b65c5..b989e2cf9 100644
--- a/code/nel/src/3d/packed_world.cpp
+++ b/code/nel/src/3d/packed_world.cpp
@@ -83,7 +83,7 @@ bool CPackedWorld::raytrace(const NLMISC::CVector &start, const NLMISC::CVector
 	if (_ZoneGrid.empty()) return false;
 	++_RaytraceCounter;
 	float bestDist = FLT_MAX;
-	NLMISC::CVector bestNormal;
+	CVector bestNormal(CVector::Null);
 	CVector currEnd = end;
 	CVector currInter;
 	if (_RaytraceCounter == (uint32) ~0)
diff --git a/code/nel/src/3d/patch_lightmap.cpp b/code/nel/src/3d/patch_lightmap.cpp
index 01134793a..b5a6c8f8d 100644
--- a/code/nel/src/3d/patch_lightmap.cpp
+++ b/code/nel/src/3d/patch_lightmap.cpp
@@ -1525,6 +1525,7 @@ void		CPatch::resetTileLightInfluences()
 	{
 		// Disable all light influence on this point.
 		TileLightInfluences[i].Light[0]= 0xFF;
+		TileLightInfluences[i].Light[1]= 0xFF;
 	}
 }
 
diff --git a/code/nel/src/3d/texture_far.cpp b/code/nel/src/3d/texture_far.cpp
index 632d2ac1d..bb3773f3f 100644
--- a/code/nel/src/3d/texture_far.cpp
+++ b/code/nel/src/3d/texture_far.cpp
@@ -1421,7 +1421,9 @@ extern "C" void NL3D_expandLightmap (const NL3D_CExpandLightmap* pLightmap)
 				// Compute current color
 				CRGBA color0;
 				CRGBA color1;
+				color0.A = 255;
 				color0.set565 (colorTilePtr[srcIndex].Color565);
+				color1.A = 255;
 				color1.set565 (colorTilePtr[srcIndex+1].Color565);
 				expandedUserColorLinePtr[u].blendFromui (color0, color1, srcIndexPixel&0xff);
 				// Compute current TLI color
diff --git a/code/nel/src/misc/dynloadlib.cpp b/code/nel/src/misc/dynloadlib.cpp
index 705f4b4b3..fe46fa6f4 100644
--- a/code/nel/src/misc/dynloadlib.cpp
+++ b/code/nel/src/misc/dynloadlib.cpp
@@ -67,9 +67,9 @@ void *nlGetSymbolAddress(NL_LIB_HANDLE libHandle, const std::string &procName)
 #ifdef NL_OS_WINDOWS
   const string	nlLibPrefix;	// empty
   const string	nlLibExt(".dll");
-#elif defined(NL_OS_MAC)
-  const string	nlLibPrefix("lib");
-  const string	nlLibExt(".dylib");
+#elif defined(NL_OS_MAC)
+  const string	nlLibPrefix("lib");
+  const string	nlLibExt(".dylib");
 #elif defined(NL_OS_UNIX)
   const string	nlLibPrefix("lib");
   const string	nlLibExt(".so");