diff --git a/GlobalMethods.h b/GlobalMethods.h
index 85edc89cce..353bba759e 100644
--- a/GlobalMethods.h
+++ b/GlobalMethods.h
@@ -1880,8 +1880,13 @@ namespace LuaGlobalFunctions
         switch (banMode)
         {
             case BAN_ACCOUNT:
+#ifdef TRINITY
                 if (!Utf8ToUpperOnlyLatin(nameOrIP))
                     return 0;
+#else
+                if (!AccountMgr::normalizeString(nameOrIP))
+                    return 0;
+#endif
                 break;
             case BAN_CHARACTER:
                 if (!normalizePlayerName(nameOrIP))