diff --git a/src/me/shock/playervaults/commands/Commands.java b/src/me/shock/playervaults/commands/Commands.java
index 08eefbe..c585c71 100644
--- a/src/me/shock/playervaults/commands/Commands.java
+++ b/src/me/shock/playervaults/commands/Commands.java
@@ -11,7 +11,6 @@ import org.bukkit.entity.Player;
 public class Commands implements CommandExecutor {
 
 	public static ConcurrentHashMap<String, Integer> inVault = new ConcurrentHashMap<String, Integer>();
-
 	private String pv = ChatColor.DARK_RED + "[" + ChatColor.WHITE + "PlayerVaults" + 
 			ChatColor.DARK_RED + "]" + ChatColor.WHITE + ": ";
 
@@ -23,8 +22,9 @@ public class Commands implements CommandExecutor {
 					if(OwnVault.openOwnVault(sender, args[0]))
 						inVault.put(sender.getName(), Integer.parseInt(args[0]));
 				}
+			} else {
+				Feedback.showHelp(sender);
 			}
-
 		}
 		return true;
 	}
@@ -36,4 +36,4 @@ public class Commands implements CommandExecutor {
 		}
 		return true;
 	}
-}
\ No newline at end of file
+}
diff --git a/src/me/shock/playervaults/commands/Feedback.java b/src/me/shock/playervaults/commands/Feedback.java
index 6a1b2b9..269bb27 100644
--- a/src/me/shock/playervaults/commands/Feedback.java
+++ b/src/me/shock/playervaults/commands/Feedback.java
@@ -1,11 +1,16 @@
 package me.shock.playervaults.commands;
 
+import me.shock.playervaults.Main;
+
 import org.bukkit.ChatColor;
+import org.bukkit.World;
 import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
 
 public class Feedback {
-		
-	String pv = ChatColor.DARK_RED + "[" + ChatColor.WHITE + "PlayerVaults" + 
+	
+	private static Main main;
+	static String pv = ChatColor.DARK_RED + "[" + ChatColor.WHITE + "PlayerVaults" + 
 			ChatColor.DARK_RED + "]" + ChatColor.WHITE + ": ";
 	
 	public void noPerms(CommandSender sender) {
@@ -14,8 +19,21 @@ public class Feedback {
 	}
 	
 
-	public void showHelp(CommandSender sender) {
+	public static void showHelp(CommandSender sender) {
 		sender.sendMessage(pv + "/vault <number>");
 		sender.sendMessage(pv + "/vault delete <number>");
 	}
+	
+	public static void badWorld(CommandSender sender) {
+		sender.sendMessage(pv + "You can't use this in that world!");
+		return;
+	}
+	
+	
+	public static boolean allowedWorld(Player player) {
+		World world = player.getWorld();
+		if(main.disabledWorlds().contains(world))
+			return false;
+		return true;
+	}
 }
diff --git a/src/me/shock/playervaults/commands/OwnVault.java b/src/me/shock/playervaults/commands/OwnVault.java
index 104eda4..6dc76e0 100644
--- a/src/me/shock/playervaults/commands/OwnVault.java
+++ b/src/me/shock/playervaults/commands/OwnVault.java
@@ -5,6 +5,7 @@ import me.shock.playervaults.util.VaultManager;
 
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
 
 public class OwnVault {
 
@@ -19,10 +20,13 @@ public class OwnVault {
 		if(arg0.matches("^[0-9]{1,2}$")) {
 			System.out.println("yay regex!");
 			if(sender.hasPermission("playervaults.amount." + arg0)) {
-				int number = Integer.parseInt(arg0);
-				vm.loadVault(sender, sender.getName(), number);
-				sender.sendMessage(pv + "Opening vault " + ChatColor.GREEN + number);
-				return true;
+				if(Feedback.allowedWorld((Player) sender)) {
+					int number = Integer.parseInt(arg0);
+					vm.loadVault(sender, sender.getName(), number);
+					sender.sendMessage(pv + "Opening vault " + ChatColor.GREEN + number);
+					return true;
+				} else
+					return false;
 			} else {
 				feedback.noPerms(sender);
 			}
diff --git a/src/me/shock/playervaults/util/VaultManager.java b/src/me/shock/playervaults/util/VaultManager.java
index 3bf74e6..8da559d 100644
--- a/src/me/shock/playervaults/util/VaultManager.java
+++ b/src/me/shock/playervaults/util/VaultManager.java
@@ -38,7 +38,7 @@ public class VaultManager {
 			// Get the player's file and serialize the inventory.
 			String ser = Serialization.toBase64(inv);
 			YamlConfiguration file = playerVaultFile(player.getName());
-			System.out.println("" + inv);
+			System.out.println("serial: " + ser);
 			// Prepare to save D:
 			file.set("vault" + number + "", ser);
 		}