diff --git a/src/me/yaruma/fightsystem/utils/TechHider.java b/src/me/yaruma/fightsystem/utils/TechHider.java
index 7c7155e..7b4f8ca 100644
--- a/src/me/yaruma/fightsystem/utils/TechHider.java
+++ b/src/me/yaruma/fightsystem/utils/TechHider.java
@@ -66,14 +66,11 @@ public class TechHider {
         obfuscateShift4 = (short)(Config.ObfuscateWith << 4);
         obfuscateMaterial = Material.getMaterial(Config.ObfuscateWith);
 
-        System.out.println("Arena: " + arenaMinX + "->" + arenaMaxX + " " + arenaMinZ + "->" + arenaMaxZ);
-        System.out.println("Blue:  " + blueMinX + "->" + blueMaxX + " " + blueMinZ + "->" + blueMaxZ);
-        System.out.println("Red:   " + redMinX + "->" + redMaxX + " " + redMinZ + "->" + redMaxZ);
-
         ProtocolLibrary.getProtocolManager().addPacketListener(new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Server.MAP_CHUNK) {
             @Override
             public void onPacketSending(PacketEvent e) {
-                PacketContainer packet = e.getPacket();
+                PacketContainer packet = e.getPacket().deepClone();
+                e.setPacket(packet);
                 StructureModifier<Integer> ints = packet.getIntegers();
                 StructureModifier<byte[]> byteArray = packet.getByteArrays();
                 StructureModifier<List> list = packet.getSpecificModifier(List.class);
@@ -85,7 +82,6 @@ public class TechHider {
                 if(bypass(p, chunkX, chunkZ))
                     return;
 
-                System.out.println("Sending hidden chunk " + chunkX + " " + chunkZ + " to " + p.getName());
                 boolean changed = false;
                 for(int i = nmsTags.size() - 1; i >= 0; i--){
                     NbtCompound nbt = NbtFactory.fromNMSCompound(nmsTags.get(i));
@@ -172,7 +168,8 @@ public class TechHider {
         ProtocolLibrary.getProtocolManager().addPacketListener(new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Server.BLOCK_CHANGE) {
             @Override
             public void onPacketSending(PacketEvent e) {
-                PacketContainer packet = e.getPacket();
+                PacketContainer packet = e.getPacket().deepClone();
+                e.setPacket(packet);
                 StructureModifier<WrappedBlockData> blockStructure = packet.getBlockData();
                 BlockPosition pos = packet.getBlockPositionModifier().read(0);
 
@@ -190,7 +187,8 @@ public class TechHider {
         ProtocolLibrary.getProtocolManager().addPacketListener(new PacketAdapter(FightSystem.getPlugin(), PacketType.Play.Server.MULTI_BLOCK_CHANGE) {
             @Override
             public void onPacketSending(PacketEvent e) {
-                PacketContainer packet = e.getPacket();
+                PacketContainer packet = e.getPacket().deepClone();
+                e.setPacket(packet);
                 StructureModifier<MultiBlockChangeInfo[]> blockStructure = packet.getMultiBlockChangeInfoArrays();
                 MultiBlockChangeInfo[] changes = blockStructure.read(0);