diff --git a/src/main/java/com/volmit/iris/engine/data/mca/Chunk.java b/src/main/java/com/volmit/iris/engine/data/mca/Chunk.java
index 7b40bdf9d..37b65f4e4 100644
--- a/src/main/java/com/volmit/iris/engine/data/mca/Chunk.java
+++ b/src/main/java/com/volmit/iris/engine/data/mca/Chunk.java
@@ -324,10 +324,7 @@ public class Chunk {
         Section section = sections.get(sectionIndex);
         if (section == null) {
             section = Section.newSection();
-            synchronized (sections)
-            {
-                sections.set(sectionIndex, section);
-            }
+            sections.set(sectionIndex, section);
         }
         section.setBlockStateAt(blockX, blockY, blockZ, state, cleanup);
     }
diff --git a/src/main/java/com/volmit/iris/engine/framework/EngineCompositeGenerator.java b/src/main/java/com/volmit/iris/engine/framework/EngineCompositeGenerator.java
index 2986bfbd3..ede74de05 100644
--- a/src/main/java/com/volmit/iris/engine/framework/EngineCompositeGenerator.java
+++ b/src/main/java/com/volmit/iris/engine/framework/EngineCompositeGenerator.java
@@ -536,7 +536,7 @@ public class EngineCompositeGenerator extends ChunkGenerator implements IrisAcce
     }
 
     @Override
-    public void directWriteChunk(IrisWorld w, int x, int z, NBTWorld writer) {
+    public synchronized void directWriteChunk(IrisWorld w, int x, int z, NBTWorld writer) {
         try
         {int ox = x << 4;
             int oz = z << 4;