diff --git a/src/main/java/org/ultramine/server/chunk/ChunkHash.java b/src/main/java/org/ultramine/server/chunk/ChunkHash.java
index 8fccead..a2eedf3 100644
--- a/src/main/java/org/ultramine/server/chunk/ChunkHash.java
+++ b/src/main/java/org/ultramine/server/chunk/ChunkHash.java
@@ -18,7 +18,7 @@
 	
 	public static short chunkCoordToHash(int x, int y, int z)
 	{
-		return (short)(((x&15)<<12) | ((z&15)<<8) | (y&255));
+		return (short)((y << 8) | (z << 4) | x);
 	}
 	
 	public static long worldChunkToKey(int dim, int x, int z)