diff --git a/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandFreeze.java b/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandFreeze.java
index 9c2ddac..4873c01 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandFreeze.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandFreeze.java
@@ -19,11 +19,8 @@
 
 package de.steamwar.bausystem.commands;
 
-import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.world.Region;
-import org.bukkit.Bukkit;
 import org.bukkit.Material;
-import org.bukkit.entity.EntityType;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.block.*;
 import org.bukkit.event.entity.EntityChangeBlockEvent;
diff --git a/BauSystem_Main/src/de/steamwar/bausystem/world/RegionListener.java b/BauSystem_Main/src/de/steamwar/bausystem/world/RegionListener.java
index 0719a4f..3019aad 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/world/RegionListener.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/world/RegionListener.java
@@ -29,7 +29,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.BlockBreakEvent;
-import org.bukkit.event.block.BlockPlaceEvent;
+import org.bukkit.event.block.BlockCanBuildEvent;
 import org.bukkit.event.block.SignChangeEvent;
 import org.bukkit.event.player.PlayerCommandPreprocessEvent;
 
@@ -59,13 +59,13 @@ public class RegionListener implements Listener {
     }
 
     @EventHandler(priority = EventPriority.LOWEST)
-    public void onBlockPlace(BlockPlaceEvent e) {
+    public void onBlockCanBuild(BlockCanBuildEvent e) {
         Player p = e.getPlayer();
 
         try{
             if (Welt.noPermission(p, Permission.build)){
                 p.sendMessage(BauSystem.PREFIX + "§cDu darfst hier keine Blöcke platzieren");
-                e.setCancelled(true);
+                e.setBuildable(false);
             }
         }catch(NullPointerException ex){
             //ignored, caused by worldedit brushes