diff --git a/com/scott_weldon/xp_to_emerald/XPtoEmeraldListener.class b/com/scott_weldon/xp_to_emerald/XPtoEmeraldListener.class
index b7cbcd2..6b12d73 100644
Binary files a/com/scott_weldon/xp_to_emerald/XPtoEmeraldListener.class and b/com/scott_weldon/xp_to_emerald/XPtoEmeraldListener.class differ
diff --git a/com/scott_weldon/xp_to_emerald/XPtoEmeraldListener.java b/com/scott_weldon/xp_to_emerald/XPtoEmeraldListener.java
index 85c4c98..2bee3f7 100644
--- a/com/scott_weldon/xp_to_emerald/XPtoEmeraldListener.java
+++ b/com/scott_weldon/xp_to_emerald/XPtoEmeraldListener.java
@@ -26,6 +26,10 @@ public void onSignPlace(SignChangeEvent e) {
     if (!lines[0].equalsIgnoreCase("[xptoemerald]")) {
       return;
     }
+    if (!p.hasPermission("xptoemerald.admin")) {
+      p.sendMessage("You don't have permission for that!");
+      return;
+    }
     if (!lines[1].equalsIgnoreCase("xte") && !lines[1].equalsIgnoreCase("etx")) {
       p.sendMessage("Invalid conversion type! (Second line of sign.)");
       sign.breakNaturally();
diff --git a/plugin.yml b/plugin.yml
index 0938f51..089307c 100644
--- a/plugin.yml
+++ b/plugin.yml
@@ -1,6 +1,6 @@
 name: XP to Emerald
 main: com.scott_weldon.xp_to_emerald.XPtoEmerald
-version: 0.5.0
+version: 0.5.1
 commands:
   xptoemerald:
     description: Convert some XP to Emeralds.