diff --git a/nukkit/src/main/java/com/boydti/fawe/nukkit/core/NukkitWorld.java b/nukkit/src/main/java/com/boydti/fawe/nukkit/core/NukkitWorld.java
index d3c3fb2e..7fd9df10 100644
--- a/nukkit/src/main/java/com/boydti/fawe/nukkit/core/NukkitWorld.java
+++ b/nukkit/src/main/java/com/boydti/fawe/nukkit/core/NukkitWorld.java
@@ -247,7 +247,7 @@ public class NukkitWorld extends LocalWorld {
 
     @Override
     public int getMaxY() {
-        return 127;
+        return 255;
     }
 
     @Override
@@ -257,7 +257,7 @@ public class NukkitWorld extends LocalWorld {
 
     @Override
     public Vector getMaximumPoint() {
-        return new Vector(30000000, 127, 30000000);
+        return new Vector(30000000, 255, 30000000);
     }
 
     @Override
diff --git a/nukkit/src/main/java/com/boydti/fawe/nukkit/optimization/FaweNukkit.java b/nukkit/src/main/java/com/boydti/fawe/nukkit/optimization/FaweNukkit.java
index 7697705d..03d5cb8f 100644
--- a/nukkit/src/main/java/com/boydti/fawe/nukkit/optimization/FaweNukkit.java
+++ b/nukkit/src/main/java/com/boydti/fawe/nukkit/optimization/FaweNukkit.java
@@ -29,7 +29,7 @@ public class FaweNukkit implements IFawe, Listener {
 
     public FaweNukkit(NukkitWorldEdit mod) {
         this.plugin = mod;
-        FaweChunk.HEIGHT = 128;
+        FaweChunk.HEIGHT = 256;
         plugin.getServer().getPluginManager().registerEvents(this, plugin);
     }
 
diff --git a/nukkit/src/main/java/com/boydti/fawe/nukkit/optimization/queue/NukkitQueue.java b/nukkit/src/main/java/com/boydti/fawe/nukkit/optimization/queue/NukkitQueue.java
index 3cc4872d..572dfccb 100644
--- a/nukkit/src/main/java/com/boydti/fawe/nukkit/optimization/queue/NukkitQueue.java
+++ b/nukkit/src/main/java/com/boydti/fawe/nukkit/optimization/queue/NukkitQueue.java
@@ -171,7 +171,7 @@ public class NukkitQueue extends NMSMappedFaweQueue<Level, BaseFullChunk, BaseFu
 
     @Override
     public void setFullbright(BaseFullChunk sections) {
-        for (int y = 0; y < 128; y++) {
+        for (int y = 0; y < 256; y++) {
             for (int z = 0; z < 16; z++) {
                 for (int x = 0; x < 16; x++) {
                     sections.setBlockSkyLight(x, y, z, 15);
@@ -182,7 +182,7 @@ public class NukkitQueue extends NMSMappedFaweQueue<Level, BaseFullChunk, BaseFu
 
     @Override
     public boolean removeLighting(BaseFullChunk sections, RelightMode mode, boolean hasSky) {
-        for (int y = 0; y < 128; y++) {
+        for (int y = 0; y < 256; y++) {
             for (int z = 0; z < 16; z++) {
                 for (int x = 0; x < 16; x++) {
                     sections.setBlockSkyLight(x, y, z, 0);