diff --git a/TrueCraft.Client/Modules/HighlightModule.cs b/TrueCraft.Client/Modules/HighlightModule.cs
index fd750e7..ff02e84 100644
--- a/TrueCraft.Client/Modules/HighlightModule.cs
+++ b/TrueCraft.Client/Modules/HighlightModule.cs
@@ -56,7 +56,7 @@ namespace TrueCraft.Client.Modules
 
             var cast = VoxelCast.Cast(Game.Client.World,
                 new TRay(Game.Camera.Position, new TVector3(direction.X, direction.Y, direction.Z)),
-                Game.BlockRepository, (int)TrueCraftGame.Reach);
+                Game.BlockRepository, TrueCraftGame.Reach, TrueCraftGame.Reach + 2);
 
             if (cast == null)
                 HighlightedBlock = -Coordinates3D.One;
diff --git a/TrueCraft.Client/TrueCraftGame.cs b/TrueCraft.Client/TrueCraftGame.cs
index b631709..e8a827c 100644
--- a/TrueCraft.Client/TrueCraftGame.cs
+++ b/TrueCraft.Client/TrueCraftGame.cs
@@ -46,7 +46,7 @@ namespace TrueCraft.Client
         private GameTime GameTime { get; set; }
         private DebugInfoModule DebugInfoModule { get; set; }
 
-        public static readonly double Reach = 3;
+        public static readonly int Reach = 3;
 
         public IBlockRepository BlockRepository
         {
diff --git a/TrueCraft.Client/VoxelCast.cs b/TrueCraft.Client/VoxelCast.cs
index 9fdb467..ae5279b 100644
--- a/TrueCraft.Client/VoxelCast.cs
+++ b/TrueCraft.Client/VoxelCast.cs
@@ -15,17 +15,17 @@ namespace TrueCraft.Client
         // Thanks to http://gamedev.stackexchange.com/questions/47362/cast-ray-to-select-block-in-voxel-game
 
         public static Tuple<Coordinates3D, BlockFace> Cast(ReadOnlyWorld world,
-            Ray ray, IBlockRepository repository, int max)
+            Ray ray, IBlockRepository repository, int posmax, int negmax)
         {
             // TODO: There are more efficient ways of doing this, fwiw
 
-            double min = max * 2;
+            double min = negmax * 2;
             var pick = -Coordinates3D.One;
-            for (int x = -max; x <= max; x++)
+            for (int x = -posmax; x <= posmax; x++)
             {
-                for (int y = -max; y <= max; y++)
+                for (int y = -negmax; y <= posmax; y++)
                 {
-                    for (int z = -max; z <= max; z++)
+                    for (int z = -posmax; z <= posmax; z++)
                     {
                         var coords = (Coordinates3D)(new Vector3(x, y, z) + ray.Position).Round();
                         if (!world.IsValidPosition(coords))