diff --git a/src/com/garbagemule/MobArena/leaderboards/Leaderboard.java b/src/com/garbagemule/MobArena/leaderboards/Leaderboard.java
index c39ab4c..06163b2 100644
--- a/src/com/garbagemule/MobArena/leaderboards/Leaderboard.java
+++ b/src/com/garbagemule/MobArena/leaderboards/Leaderboard.java
@@ -60,8 +60,10 @@ public class Leaderboard
             return;
         }
         
-        if (!(topLeft.getBlock().getState() instanceof Sign))
-            throw new IllegalArgumentException("Block must be a sign!");
+        if (!(topLeft.getBlock().getState() instanceof Sign)) {
+            Messenger.warning("The leaderboard-node for arena '" + arena.configName() + "' does not point to a sign! Note that leaderboards must be in the same world as the arena itself!");
+            return;
+        }
         
         this.topLeft = topLeft;
     }