diff --git a/src/main/java/com/volmit/iris/core/IrisSettings.java b/src/main/java/com/volmit/iris/core/IrisSettings.java
index ed02347d9..9d8de9366 100644
--- a/src/main/java/com/volmit/iris/core/IrisSettings.java
+++ b/src/main/java/com/volmit/iris/core/IrisSettings.java
@@ -129,6 +129,7 @@ public class IrisSettings {
         public boolean systemEntitySpawnOverrides = true;
         public boolean systemEntityInitialSpawns = true;
         public int maxBiomeChildDepth = 4;
+        public boolean preventLeafDecay = true;
     }
 
     @Data
diff --git a/src/main/java/com/volmit/iris/util/data/B.java b/src/main/java/com/volmit/iris/util/data/B.java
index ff96be0b9..15de96ad3 100644
--- a/src/main/java/com/volmit/iris/util/data/B.java
+++ b/src/main/java/com/volmit/iris/util/data/B.java
@@ -19,6 +19,7 @@
 package com.volmit.iris.util.data;
 
 import com.volmit.iris.Iris;
+import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
@@ -156,10 +157,15 @@ public class B {
                 bx = Bukkit.createBlockData(ix);
             }
 
-            if (bx instanceof Leaves) {
+            if (bx instanceof Leaves && IrisSettings.get().getGenerator().preventLeafDecay) {
                 ((Leaves) bx).setPersistent(true);
             }
 
+            else if(bx instanceof Leaves)
+            {
+                ((Leaves) bx).setPersistent(false);
+            }
+
             blockDataCache.put(ix, bx);
             return bx;
         } catch (Exception e) {