diff --git a/library/PolyVoxCore/include/PolyVoxCore/UncompressedBlock.inl b/library/PolyVoxCore/include/PolyVoxCore/UncompressedBlock.inl
index 4d506d74..2239b267 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/UncompressedBlock.inl
+++ b/library/PolyVoxCore/include/PolyVoxCore/UncompressedBlock.inl
@@ -21,6 +21,8 @@ freely, subject to the following restrictions:
     distribution. 	
 *******************************************************************************/
 
+#include "PolyVoxCore/Impl/Utility.h"
+
 namespace PolyVox
 {
 	template <typename VoxelType>