diff --git a/src/main/java/net/minestom/server/instance/DynamicChunk.java b/src/main/java/net/minestom/server/instance/DynamicChunk.java
index c5c5efd60..30c74e688 100644
--- a/src/main/java/net/minestom/server/instance/DynamicChunk.java
+++ b/src/main/java/net/minestom/server/instance/DynamicChunk.java
@@ -313,7 +313,7 @@ public class DynamicChunk extends Chunk {
         );
     }
 
-    private CompoundBinaryTag getHeightmapNBT() {
+    protected CompoundBinaryTag getHeightmapNBT() {
         if (needsCompleteHeightmapRefresh) calculateFullHeightmap();
         return CompoundBinaryTag.builder()
                 .putLongArray(motionBlocking.NBTName(), motionBlocking.getNBT())