diff --git a/components/resource/scenemanager.cpp b/components/resource/scenemanager.cpp
index d0d10a3cd..503b4ace8 100644
--- a/components/resource/scenemanager.cpp
+++ b/components/resource/scenemanager.cpp
@@ -210,7 +210,7 @@ namespace Resource
         : ResourceManager(vfs)
         , mShaderManager(new Shader::ShaderManager)
         , mForceShaders(false)
-        , mClampLighting(false)
+        , mClampLighting(true)
         , mForcePerPixelLighting(false)
         , mAutoUseNormalMaps(false)
         , mInstanceCache(new MultiObjectCache)
diff --git a/components/shader/shadervisitor.cpp b/components/shader/shadervisitor.cpp
index 0940c4c9e..bcce4a09c 100644
--- a/components/shader/shadervisitor.cpp
+++ b/components/shader/shadervisitor.cpp
@@ -37,7 +37,7 @@ namespace Shader
     ShaderVisitor::ShaderVisitor(ShaderManager& shaderManager, Resource::ImageManager& imageManager, const std::string &defaultVsTemplate, const std::string &defaultFsTemplate)
         : osg::NodeVisitor(TRAVERSE_ALL_CHILDREN)
         , mForceShaders(false)
-        , mClampLighting(false)
+        , mClampLighting(true)
         , mForcePerPixelLighting(false)
         , mAllowedToModifyStateSets(true)
         , mAutoUseNormalMaps(false)