src/de/steamwar/bungeecore/listeners/mods/Fabric.java

@@ -110,8 +110,8 @@ public class Fabric extends BasicListener {
         }
 
         if(Utils.handleMods(player,mods)) {
-            if(!checkedPlayers.contains(player)) Message.send("MODIFICATION_CHECK_SUCCESS", player);
             checkedPlayers.add(player);
+            if(!checkedPlayers.contains(player)) Message.send("MODIFICATION_CHECK_SUCCESS", player);
             Storage.fabricPlayers.remove(player);
         }
     }