diff --git a/src/main/java/com/gamingmesh/jobs/PermissionHandler.java b/src/main/java/com/gamingmesh/jobs/PermissionHandler.java
index 9c0ae5b2..77089494 100644
--- a/src/main/java/com/gamingmesh/jobs/PermissionHandler.java
+++ b/src/main/java/com/gamingmesh/jobs/PermissionHandler.java
@@ -19,8 +19,10 @@
 package com.gamingmesh.jobs;
 
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map.Entry;
+import java.util.Set;
 
 import org.bukkit.World;
 import org.bukkit.entity.Player;
@@ -228,13 +230,17 @@ public class PermissionHandler {
 	// recalculate!
 	player.recalculatePermissions();
     }
+    
+    public static Set<String> worldsRegistered = new HashSet<String>();
 
     public void registerPermissions() {
 	PluginManager pm = plugin.getServer().getPluginManager();
 	for (World world : plugin.getServer().getWorlds()) {
 	    String worldName = world.getName().toLowerCase();
-	    if (pm.getPermission("jobs.world." + worldName) == null)
+	    if (pm.getPermission("jobs.world." + worldName) == null) {
 		pm.addPermission(new Permission("jobs.world." + worldName, PermissionDefault.TRUE));
+		worldsRegistered.add(worldName);
+	    }
 	}
 
 	for (Job job : Jobs.getJobs()) {
diff --git a/src/main/java/com/gamingmesh/jobs/listeners/JobsListener.java b/src/main/java/com/gamingmesh/jobs/listeners/JobsListener.java
index 19424a64..2f3ecc68 100644
--- a/src/main/java/com/gamingmesh/jobs/listeners/JobsListener.java
+++ b/src/main/java/com/gamingmesh/jobs/listeners/JobsListener.java
@@ -67,6 +67,7 @@ import org.bukkit.permissions.PermissionDefault;
 import org.bukkit.plugin.PluginManager;
 
 import com.gamingmesh.jobs.Jobs;
+import com.gamingmesh.jobs.PermissionHandler;
 import com.gamingmesh.jobs.Signs.SignTopType;
 import com.gamingmesh.jobs.Signs.SignUtil;
 import com.gamingmesh.jobs.Signs.jobsSign;
@@ -359,8 +360,10 @@ public class JobsListener implements Listener {
     public void onWorldLoad(WorldLoadEvent event) {
 	PluginManager pm = plugin.getServer().getPluginManager();
 	String name = event.getWorld().getName().toLowerCase();
-	if (pm.getPermission("jobs.world." + name) == null)
+	if (pm.getPermission("jobs.world." + name) == null && !PermissionHandler.worldsRegistered.contains(name)) {
 	    pm.addPermission(new Permission("jobs.world." + name, PermissionDefault.TRUE));
+	    PermissionHandler.worldsRegistered.add(name);
+	}
     }
 
     @EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)