diff --git a/src/main/java/com/github/halotroop/litecraft/world/DynamicChunkLoader.java b/src/main/java/com/github/halotroop/litecraft/world/DynamicChunkLoader.java
index 10fbb91..73386fe 100644
--- a/src/main/java/com/github/halotroop/litecraft/world/DynamicChunkLoader.java
+++ b/src/main/java/com/github/halotroop/litecraft/world/DynamicChunkLoader.java
@@ -3,9 +3,11 @@ package com.github.halotroop.litecraft.world;
 import java.util.*;
 import java.util.function.LongConsumer;
 
+import com.github.hydos.multiThreading.GingerThread;
+
 import it.unimi.dsi.fastutil.longs.*;
 
-public class DynamicChunkLoader extends Thread{
+public class DynamicChunkLoader extends GingerThread{
 	
 	public int chunkX, chunkY, chunkZ;
 	public World world;
@@ -15,6 +17,7 @@ public class DynamicChunkLoader extends Thread{
 		this.chunkY = chunkY;
 		this.chunkZ = chunkZ;
 		this.world = world;
+		this.setName("DynamicChunk thread");
 	}
 	
 	@Override
@@ -23,7 +26,7 @@ public class DynamicChunkLoader extends Thread{
 		// loop over rendered area, adding chunks that are needed
 		for (int x = chunkX - this.world.renderBound; x < chunkX + this.world.renderBound; x++)
 			for (int z = chunkZ - this.world.renderBound; z < chunkZ + this.world.renderBound; z++)
-				for (int y = chunkY - this.world.renderBoundVertical; y < chunkY + this.world.renderBoundVertical; y++)
+				for (int y = chunkY - this.world.renderBound; y < chunkY + this.world.renderBound; y++)
 					toKeep.add(this.world.getChunkToLoad(x, y, z));
 		// list of keys to remove
 		LongList toRemove = new LongArrayList();
diff --git a/src/main/java/com/github/halotroop/litecraft/world/World.java b/src/main/java/com/github/halotroop/litecraft/world/World.java
index fa8f7a3..0c8c9da 100644
--- a/src/main/java/com/github/halotroop/litecraft/world/World.java
+++ b/src/main/java/com/github/halotroop/litecraft/world/World.java
@@ -29,9 +29,11 @@ public class World implements BlockAccess, WorldGenConstants
 	int renderBound;
 	int renderBoundVertical;
 	private final BlockInstance dummy;
+	private DynamicChunkLoader chunkLoader;
 
 	public World(long seed, int renderSize, Dimension<?> dim, LitecraftSave save)
 	{
+		this.chunkLoader = new DynamicChunkLoader(0, 0, 0, this);
 		this.dummy = new BlockInstance(Blocks.ANDESITE, new Vector3f(0, 0, 0));
 		this.dummy.isVisible = false;
 		this.chunks = new Long2ObjectArrayMap<>();
@@ -183,8 +185,12 @@ public class World implements BlockAccess, WorldGenConstants
 
 	public void updateLoadedChunks(int chunkX, int chunkY, int chunkZ)
 	{
-		DynamicChunkLoader chunkLoader = new DynamicChunkLoader(chunkX, chunkY, chunkZ, this);
-		chunkLoader.start();
+		if(!chunkLoader.isAlive()) {
+			chunkLoader.chunkX = chunkX;
+			chunkLoader.chunkY = chunkY;
+			chunkLoader.chunkZ = chunkZ;         
+			chunkLoader.start();
+		}
 	}
 
 	private static final class GenerationWorld implements BlockAccess, WorldGenConstants