diff --git a/library/PolyVoxCore/include/PolyVoxCore/PolyVoxForwardDeclarations.h b/library/PolyVoxCore/include/PolyVoxCore/PolyVoxForwardDeclarations.h
index 5cdf3ef5..068f379d 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/PolyVoxForwardDeclarations.h
+++ b/library/PolyVoxCore/include/PolyVoxCore/PolyVoxForwardDeclarations.h
@@ -63,6 +63,7 @@ namespace PolyVox
 	////////////////////////////////////////////////////////////////////////////////
 	// CubicSurfaceExtractor
 	////////////////////////////////////////////////////////////////////////////////
+	template<typename VoxelType> class DefaultIsQuadNeeded;
 	template<typename VolumeType, typename IsQuadNeeded = DefaultIsQuadNeeded<typename VolumeType::VoxelType> > class CubicSurfaceExtractor;
 
 	////////////////////////////////////////////////////////////////////////////////