diff --git a/code/nel/src/3d/driver/opengl/driver_opengl.cpp b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
index 3eff7eebf..946e69ee0 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
@@ -1415,11 +1415,13 @@ void CDriverGL::setupFog(float start, float end, CRGBA color)
 			// last constant is used to store fog information (fog must be rescaled to [0, 1], because of a driver bug)
 			if (start != end)
 			{
-				setConstant(_EVSNumConstant, 1.f / (start - end), - end / (start - end), 0, 0);
+				float datas[] = { 1.f / (start - end), - end / (start - end), 0, 0 };
+				nglSetInvariantEXT(_EVSConstantHandle + _EVSNumConstant, GL_FLOAT, datas);
 			}
 			else
 			{
-				setConstant(_EVSNumConstant, 0.f, 0, 0, 0);
+				float datas[] = { 0.f, 0, 0, 0 };
+				nglSetInvariantEXT(_EVSConstantHandle + _EVSNumConstant, GL_FLOAT, datas);
 			}
 		}
 	}
diff --git a/code/nel/src/3d/vegetable_manager.cpp b/code/nel/src/3d/vegetable_manager.cpp
index f2c8457f8..ba5f721bb 100644
--- a/code/nel/src/3d/vegetable_manager.cpp
+++ b/code/nel/src/3d/vegetable_manager.cpp
@@ -2400,7 +2400,7 @@ void		CVegetableManager::setupRenderStateForBlendLayerModel(IDriver *driver)
 
 	/*if (fogged) // duplicate
 	{
-		driver->setConstantFog(6);
+		driver->setCon/stantFog(6);
 	}*/
 
 	// Activate the unique material (correclty setuped for AlphaBlend in render()).
diff --git a/code/ryzom/client/src/decal.cpp b/code/ryzom/client/src/decal.cpp
index 5649b9b57..a1cca247d 100644
--- a/code/ryzom/client/src/decal.cpp
+++ b/code/ryzom/client/src/decal.cpp
@@ -621,7 +621,7 @@ void CDecalRenderList::renderAllDecals()
 	if (!forceNoVertexProgram && drvInternal->compileVertexProgram(&DecalAttenuationVertexProgram))
 	{
 		drvInternal->activeVertexProgram(&DecalAttenuationVertexProgram);
-		//drvInternal->setConstantMatrix(0, NL3D::IDriver::ModelViewProjection, NL3D::IDriver::Identity);
+		//drvInternal->setCons/tantMatrix(0, NL3D::IDriver::ModelViewProjection, NL3D::IDriver::Identity);
 		drvInternal->setUniform4f(IDriver::VertexProgram, DecalAttenuationVertexProgram.idx().DistScaleBias, _DistScale, _DistBias, 0.f, 1.f);
 		useVertexProgram = true;
 	}