diff --git a/include/PolyVox/PagedVolumeSampler.inl b/include/PolyVox/PagedVolumeSampler.inl
index a234e388..50e2fc87 100644
--- a/include/PolyVox/PagedVolumeSampler.inl
+++ b/include/PolyVox/PagedVolumeSampler.inl
@@ -39,9 +39,9 @@ freely, subject to the following restrictions:
 
 namespace PolyVox
 {
-	static const std::array<uint32_t, 32> deltaX = { 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 3511, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1 };
-	static const std::array<uint32_t, 32> deltaY = { 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 7022, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2 };
-	static const std::array<uint32_t, 32> deltaZ = { 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 14044, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4 };
+	static const std::array<int32_t, 32> deltaX = { 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1, 3511, 1, 7, 1, 55, 1, 7, 1, 439, 1, 7, 1, 55, 1, 7, 1 };
+	static const std::array<int32_t, 32> deltaY = { 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2, 7022, 2, 14, 2, 110, 2, 14, 2, 878, 2, 14, 2, 110, 2, 14, 2 };
+	static const std::array<int32_t, 32> deltaZ = { 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4, 14044, 4, 28, 4, 220, 4, 28, 4, 1756, 4, 28, 4, 220, 4, 28, 4 };
 
 	template <typename VoxelType>
 	PagedVolume<VoxelType>::Sampler::Sampler(PagedVolume<VoxelType>* volume)