diff --git a/Source/Game/Globals/ObjectManager.cs b/Source/Game/Globals/ObjectManager.cs
index 1c8862116..94527940f 100644
--- a/Source/Game/Globals/ObjectManager.cs
+++ b/Source/Game/Globals/ObjectManager.cs
@@ -10406,7 +10406,7 @@ namespace Game
         }
         public ulong GenerateMailID()
         {
-            if (_mailId >= 0xFFFFFFFE)
+            if (_mailId >= 0xFFFFFFFFFFFFFFFE)
             {
                 Log.outError(LogFilter.Server, "Mail ids overflow!! Can't continue, shutting down server. ");
                 Global.WorldMgr.StopNow();