diff --git a/src/osgShadow/ParallelSplitShadowMap.cpp b/src/osgShadow/ParallelSplitShadowMap.cpp
index 6a2bf999c..e627d8fee 100644
--- a/src/osgShadow/ParallelSplitShadowMap.cpp
+++ b/src/osgShadow/ParallelSplitShadowMap.cpp
@@ -357,6 +357,8 @@ void ParallelSplitShadowMap::init()
         {
             // create the camera
             pssmShadowSplitTexture._camera = new osg::Camera;
+            pssmShadowSplitTexture._camera->setReadBuffer(GL_BACK);
+            pssmShadowSplitTexture._camera->setDrawBuffer(GL_BACK);
             pssmShadowSplitTexture._camera->setCullCallback(new CameraCullCallback(this));