diff --git a/TrueCraft.Core/MathHelper.cs b/TrueCraft.Core/MathHelper.cs
index b301b67..4591901 100644
--- a/TrueCraft.Core/MathHelper.cs
+++ b/TrueCraft.Core/MathHelper.cs
@@ -184,6 +184,16 @@ namespace TrueCraft.Core
             return (int)Math.Floor((double)BlockCoord / Chunk.Depth);
         }
 
+        public static int BlockToChunkBlockX(int BlockX)
+        {
+            return BlockX % Chunk.Width;
+        }
+
+        public static int BlockToChunkBlockZ(int BlockZ)
+        {
+            return BlockZ % Chunk.Depth;
+        }
+
         /// <summary>
         /// Returns a value indicating the most extreme value of the
         /// provided Vector.
diff --git a/TrueCraft.Core/World/World.cs b/TrueCraft.Core/World/World.cs
index 111a81b..4d47642 100644
--- a/TrueCraft.Core/World/World.cs
+++ b/TrueCraft.Core/World/World.cs
@@ -304,9 +304,9 @@ namespace TrueCraft.Core.World
 
             chunk = GetChunk(new Coordinates2D(chunkX, chunkZ));
             return new Coordinates3D(
-                (coordinates.X - chunkX * Chunk.Width) % Chunk.Width,
+                MathHelper.BlockToChunkBlockX(coordinates.X),
                 coordinates.Y,
-                (coordinates.Z - chunkZ * Chunk.Depth) % Chunk.Depth);
+                MathHelper.BlockToChunkBlockZ(coordinates.Z));
         }
 
         public bool IsValidPosition(Coordinates3D position)