--- ../src-base/minecraft/net/minecraft/util/ChunkCoordinates.java
+++ ../src-work/minecraft/net/minecraft/util/ChunkCoordinates.java
@@ -38,7 +38,7 @@
 
     public int hashCode()
     {
-        return this.posX + this.posZ << 8 + this.posY << 16;
+        return this.posX + (this.posZ << 8) + (this.posY << 16);
     }
 
     public int compareTo(ChunkCoordinates p_compareTo_1_)
