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 f3cb1ab41..d41bb377b 100644
--- a/src/main/java/com/volmit/iris/engine/framework/EngineCompositeGenerator.java
+++ b/src/main/java/com/volmit/iris/engine/framework/EngineCompositeGenerator.java
@@ -731,6 +731,8 @@ public class EngineCompositeGenerator extends ChunkGenerator implements IrisAcce
             ticker.interrupt();
         }
 
+        cleaner.interrupt();
+
         if (getComposite() != null) {
             getComposite().close();