diff --git a/LobbySystem/src/de/steamwar/lobby/listener/PlayerSpawn.java b/LobbySystem/src/de/steamwar/lobby/listener/PlayerSpawn.java
index 5efdcd9a..ecf79056 100644
--- a/LobbySystem/src/de/steamwar/lobby/listener/PlayerSpawn.java
+++ b/LobbySystem/src/de/steamwar/lobby/listener/PlayerSpawn.java
@@ -25,7 +25,10 @@ import de.steamwar.lobby.special.advent.AdventsCalendar;
 import de.steamwar.lobby.util.ItemBuilder;
 import de.steamwar.network.NetworkSender;
 import de.steamwar.network.packets.client.ImALobbyPacket;
-import org.bukkit.*;
+import org.bukkit.Bukkit;
+import org.bukkit.Difficulty;
+import org.bukkit.GameMode;
+import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -50,12 +53,7 @@ public class PlayerSpawn extends BasicListener {
     public void onJoin(PlayerJoinEvent e) {
         Player player = e.getPlayer();
         e.setJoinMessage(null);
-        Bukkit.getWorlds().forEach(world -> {
-            world.setDifficulty(Difficulty.HARD);
-            world.setGameRule(GameRule.MOB_GRIEFING, true);
-            world.setGameRule(GameRule.MOB_GRIEFING, true);
-            world.setGameRule(GameRule.DO_MOB_LOOT, true);
-        });
+        player.getWorld().setDifficulty(Difficulty.HARD);
 
         player.setGameMode(GameMode.SURVIVAL);
         player.setWalkSpeed(0.5f);