diff --git a/app/Http/Controllers/LelongController.php b/app/Http/Controllers/LelongController.php
index 133482c..a480959 100644
--- a/app/Http/Controllers/LelongController.php
+++ b/app/Http/Controllers/LelongController.php
@@ -1817,7 +1817,7 @@ class LelongController extends Controller
         )
         ->distinct()
         ->orderByRaw("
-        SUBSTRING_INDEX(SUBSTRING_INDEX(lelong.norujukan, '-', 1), 'WCY', -1),
+        SUBSTRING_INDEX(SUBSTRING_INDEX(lelong.norujukan, '-', 1), '^[A-Za-z]+', -1),
         CAST(SUBSTRING_INDEX(lelong.norujukan, '-', -1) AS UNSIGNED)
         ")
         ->get();