diff --git a/src/main/java/baritone/chunk/CachedRegion.java b/src/main/java/baritone/chunk/CachedRegion.java
index 0fbe8b4e..7d2ed3dc 100644
--- a/src/main/java/baritone/chunk/CachedRegion.java
+++ b/src/main/java/baritone/chunk/CachedRegion.java
@@ -247,10 +247,7 @@ public final class CachedRegion implements IBlockTypeAccess {
                                     byte xz = in.readByte();
                                     int X = xz & 0x0f;
                                     int Z = (xz >>> 4) & 0x0f;
-                                    int Y = (int) in.readByte();
-                                    if (Y < 0) {
-                                        Y += 256;
-                                    }
+                                    int Y = in.readByte() & 0xff;
                                     locs.add(new BlockPos(X, Y, Z));
                                 }
                             }
diff --git a/src/test/java/baritone/chunk/CachedRegionTest.java b/src/test/java/baritone/chunk/CachedRegionTest.java
index 0992cee1..8350390c 100644
--- a/src/test/java/baritone/chunk/CachedRegionTest.java
+++ b/src/test/java/baritone/chunk/CachedRegionTest.java
@@ -33,10 +33,7 @@ public class CachedRegionTest {
                     byte xz = part1;
                     int X = xz & 0x0f;
                     int Z = (xz >>> 4) & 0x0f;
-                    int Y = (int) part2;
-                    if (Y < 0) {
-                        Y += 256;
-                    }
+                    int Y = part2 & 0xff;
                     if (x != X || y != Y || z != Z) {
                         System.out.println(x + " " + X + " " + y + " " + Y + " " + z + " " + Z);
                     }