--- a/net/minecraft/world/level/block/ChangeOverTimeBlock.java
+++ b/net/minecraft/world/level/block/ChangeOverTimeBlock.java
@@ -69,7 +69,7 @@
 
         if (random.nextFloat() < f1) {
             this.a(iblockdata).ifPresent((iblockdata2) -> {
-                worldserver.setTypeUpdate(blockposition, iblockdata2);
+                org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockFormEvent(worldserver, blockposition, iblockdata2); // CraftBukkit
             });
         }
 
