diff --git a/src/main/java/baritone/bot/chunk/CachedRegion.java b/src/main/java/baritone/bot/chunk/CachedRegion.java
index 39c6c128..b0362ca2 100644
--- a/src/main/java/baritone/bot/chunk/CachedRegion.java
+++ b/src/main/java/baritone/bot/chunk/CachedRegion.java
@@ -43,7 +43,7 @@ public final class CachedRegion implements ICachedChunkAccess {
     public final PathingBlockType getBlockType(int x, int y, int z) {
         CachedChunk chunk = this.getChunk(x >> 4, z >> 4);
         if (chunk != null) {
-            return chunk.getBlockType(x, y, z);
+            return chunk.getBlockType(x & 15, y, z & 15);
         }
         return null;
     }
diff --git a/src/main/java/baritone/bot/chunk/CachedWorld.java b/src/main/java/baritone/bot/chunk/CachedWorld.java
index 35aad603..24bea82a 100644
--- a/src/main/java/baritone/bot/chunk/CachedWorld.java
+++ b/src/main/java/baritone/bot/chunk/CachedWorld.java
@@ -37,7 +37,7 @@ public final class CachedWorld implements ICachedChunkAccess {
     public final PathingBlockType getBlockType(int x, int y, int z) {
         CachedRegion region = getRegion(x >> 9, z >> 9);
         if (region != null) {
-            return region.getBlockType(x, y, z);
+            return region.getBlockType(x & 511, y, z & 511);
         }
         return null;
     }