diff --git a/src/main/java/de/craftinc/replicator/Messages.java b/src/main/java/de/craftinc/replicator/Messages.java
index 5a5df3b..b319011 100644
--- a/src/main/java/de/craftinc/replicator/Messages.java
+++ b/src/main/java/de/craftinc/replicator/Messages.java
@@ -30,11 +30,13 @@ public class Messages
     private static String makeCmd( Player player, String command, String explanation, String[] permissions,
                                    String... args )
     {
-        for ( String perm : permissions )
-        {
-            if ( !player.hasPermission(perm) )
+        if (permissions != null) {
+            for ( String perm : permissions )
             {
-                return "";
+                if ( !player.hasPermission(perm) )
+                {
+                    return "";
+                }
             }
         }
 
diff --git a/src/main/java/de/craftinc/replicator/Replicator.java b/src/main/java/de/craftinc/replicator/Replicator.java
index 6d01aad..25e0ae5 100644
--- a/src/main/java/de/craftinc/replicator/Replicator.java
+++ b/src/main/java/de/craftinc/replicator/Replicator.java
@@ -66,7 +66,7 @@ public class Replicator implements ConfigurationSerializable
     /**
      * List of all replicators accessible by center location.
      */
-    private static HashMap<Location, Replicator> allReplicators;
+    private static HashMap<Location, Replicator> allReplicators = new HashMap<Location, Replicator>();
 
     private static File              replicatorsFile     = new File(Plugin.instance.getDataFolder(), dataFileName);
     private static FileConfiguration replicatorsFileConf = YamlConfiguration.loadConfiguration(replicatorsFile);