diff --git a/library/include/PolyVoxCore/BlockVolumeIterator.inl b/library/include/PolyVoxCore/BlockVolumeIterator.inl
index b1c6d04b..f08750ab 100644
--- a/library/include/PolyVoxCore/BlockVolumeIterator.inl
+++ b/library/include/PolyVoxCore/BlockVolumeIterator.inl
@@ -24,6 +24,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "BlockVolume.h"
 #include "Vector.h"
 #include "Region.h"
+
+#include <limits>
 #pragma endregion
 
 namespace PolyVox
@@ -133,27 +135,27 @@ namespace PolyVox
 		else if(uLevel == 1)
 		{
 			VoxelType tValue = getVoxel();
-			tValue = (std::max)(tValue, peekVoxel1px0py0pz());
-			tValue = (std::max)(tValue, peekVoxel0px1py0pz());
-			tValue = (std::max)(tValue, peekVoxel1px1py0pz());
-			tValue = (std::max)(tValue, peekVoxel0px0py1pz());
-			tValue = (std::max)(tValue, peekVoxel1px0py1pz());
-			tValue = (std::max)(tValue, peekVoxel0px1py1pz());
-			tValue = (std::max)(tValue, peekVoxel1px1py1pz());
+			tValue = (std::min)(tValue, peekVoxel1px0py0pz());
+			tValue = (std::min)(tValue, peekVoxel0px1py0pz());
+			tValue = (std::min)(tValue, peekVoxel1px1py0pz());
+			tValue = (std::min)(tValue, peekVoxel0px0py1pz());
+			tValue = (std::min)(tValue, peekVoxel1px0py1pz());
+			tValue = (std::min)(tValue, peekVoxel0px1py1pz());
+			tValue = (std::min)(tValue, peekVoxel1px1py1pz());
 			return tValue;
 		}
 		else
 		{
 			const uint8 uSize = 1 << uLevel;
 
-			VoxelType tValue = 0;
+			VoxelType tValue = std::numeric_limits<VoxelType>::max();
 			for(uint8 z = 0; z < uSize; ++z)
 			{
 				for(uint8 y = 0; y < uSize; ++y)
 				{
 					for(uint8 x = 0; x < uSize; ++x)
 					{
-						tValue = (std::max)(tValue, mVolume.getVoxelAt(mXPosInVolume + x, mYPosInVolume + y, mZPosInVolume + z));
+						tValue = (std::min)(tValue, mVolume.getVoxelAt(mXPosInVolume + x, mYPosInVolume + y, mZPosInVolume + z));
 					}
 				}
 			}
diff --git a/library/include/PolyVoxCore/Constants.h b/library/include/PolyVoxCore/Constants.h
index 6bfe2e23..3edeea58 100644
--- a/library/include/PolyVoxCore/Constants.h
+++ b/library/include/PolyVoxCore/Constants.h
@@ -37,7 +37,7 @@ namespace PolyVox
 	//const uint32 POLYVOX_NO_OF_BLOCKS_IN_VOLUME = (POLYVOX_VOLUME_SIDE_LENGTH_IN_BLOCKS * POLYVOX_VOLUME_SIDE_LENGTH_IN_BLOCKS * POLYVOX_VOLUME_SIDE_LENGTH_IN_BLOCKS);
 	//const uint32 POLYVOX_NO_OF_VOXELS_IN_VOLUME = (POLYVOX_VOLUME_SIDE_LENGTH * POLYVOX_VOLUME_SIDE_LENGTH * POLYVOX_VOLUME_SIDE_LENGTH);
 
-	const uint16 POLYVOX_REGION_SIDE_LENGTH_POWER = 4;
+	const uint16 POLYVOX_REGION_SIDE_LENGTH_POWER = 5;
 	const uint16 POLYVOX_REGION_SIDE_LENGTH = (0x0001 << POLYVOX_REGION_SIDE_LENGTH_POWER);
 	const uint16 POLYVOX_VOLUME_SIDE_LENGTH_IN_REGIONS = (POLYVOX_VOLUME_SIDE_LENGTH >> POLYVOX_REGION_SIDE_LENGTH_POWER);
 }