diff --git a/components/sceneutil/shadowsbin.cpp b/components/sceneutil/shadowsbin.cpp
index a6275a60e2..21f25dc4ad 100644
--- a/components/sceneutil/shadowsbin.cpp
+++ b/components/sceneutil/shadowsbin.cpp
@@ -42,11 +42,7 @@ namespace
 namespace SceneUtil
 {
 
-ShadowsBin::CastingPrograms ShadowsBin::sCastingPrograms = {
-    nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr
-};
-
-ShadowsBin::ShadowsBin()
+ShadowsBin::ShadowsBin(const CastingPrograms& castingPrograms)
 {
     mNoTestStateSet = new osg::StateSet;
     mNoTestStateSet->addUniform(new osg::Uniform("useDiffuseMapForShadowAlpha", false));
@@ -57,10 +53,10 @@ ShadowsBin::ShadowsBin()
     mShaderAlphaTestStateSet->addUniform(new osg::Uniform("useDiffuseMapForShadowAlpha", true));
     mShaderAlphaTestStateSet->setMode(GL_BLEND, osg::StateAttribute::OFF | osg::StateAttribute::PROTECTED | osg::StateAttribute::OVERRIDE);
 
-    for (size_t i = 0; i < sCastingPrograms.size(); ++i)
+    for (size_t i = 0; i < castingPrograms.size(); ++i)
     {
         mAlphaFuncShaders[i] = new osg::StateSet;
-        mAlphaFuncShaders[i]->setAttribute(sCastingPrograms[i], osg::StateAttribute::ON | osg::StateAttribute::PROTECTED | osg::StateAttribute::OVERRIDE);
+        mAlphaFuncShaders[i]->setAttribute(castingPrograms[i], osg::StateAttribute::ON | osg::StateAttribute::PROTECTED | osg::StateAttribute::OVERRIDE);
     }
 }
 
@@ -152,8 +148,7 @@ StateGraph* ShadowsBin::cullStateGraph(StateGraph* sg, StateGraph* root, std::un
 
 void ShadowsBin::addPrototype(const std::string & name, const CastingPrograms& castingPrograms)
 {
-    sCastingPrograms = castingPrograms;
-    osg::ref_ptr<osgUtil::RenderBin> bin(new ShadowsBin);
+    osg::ref_ptr<osgUtil::RenderBin> bin(new ShadowsBin(castingPrograms));
     osgUtil::RenderBin::addRenderBinPrototype(name, bin);
 }
 
diff --git a/components/sceneutil/shadowsbin.hpp b/components/sceneutil/shadowsbin.hpp
index 67343c67f5..4b0d8cc544 100644
--- a/components/sceneutil/shadowsbin.hpp
+++ b/components/sceneutil/shadowsbin.hpp
@@ -22,7 +22,7 @@ namespace SceneUtil
         using CastingPrograms = Array<osg::ref_ptr<osg::Program>>;
 
         META_Object(SceneUtil, ShadowsBin)
-        ShadowsBin();
+        ShadowsBin(const CastingPrograms& castingPrograms);
         ShadowsBin(const ShadowsBin& rhs, const osg::CopyOp& copyop)
             : osgUtil::RenderBin(rhs, copyop)
             , mNoTestStateSet(rhs.mNoTestStateSet)
@@ -65,7 +65,7 @@ namespace SceneUtil
         static void addPrototype(const std::string& name, const CastingPrograms& castingPrograms);
 
     private:
-        static CastingPrograms sCastingPrograms;
+        ShadowsBin() {}
 
         osg::ref_ptr<osg::StateSet> mNoTestStateSet;
         osg::ref_ptr<osg::StateSet> mShaderAlphaTestStateSet;