diff --git a/src/Main/renderer.cxx b/src/Main/renderer.cxx
index bcd9716a1..08fd4e854 100644
--- a/src/Main/renderer.cxx
+++ b/src/Main/renderer.cxx
@@ -630,6 +630,7 @@ public:
 		cv->addBuffer(simgear::Effect::DIFFUSE_BUFFER, info->getBuffer( flightgear::RenderBufferInfo::DIFFUSE_BUFFER ) );
         cv->addBuffer(simgear::Effect::SPEC_EMIS_BUFFER, info->getBuffer( flightgear::RenderBufferInfo::SPEC_EMIS_BUFFER ) );
 		cv->addBuffer(simgear::Effect::LIGHTING_BUFFER, info->getBuffer( flightgear::RenderBufferInfo::LIGHTING_BUFFER ) );
+        cv->addBuffer(simgear::Effect::SHADOW_BUFFER, info->getBuffer( flightgear::RenderBufferInfo::SHADOW_BUFFER ) );
         // cv->addBuffer(simgear::Effect::AO_BUFFER, info->gBuffer->aoBuffer[2]);
 
 		if ( !info->getRenderStageInfo(kind).fullscreen )