diff --git a/app/Models/Dealer.php b/app/Models/Dealer.php
index e7c0a696..8ab571d1 100644
--- a/app/Models/Dealer.php
+++ b/app/Models/Dealer.php
@@ -323,8 +323,8 @@ class Dealer extends Model
      */
     public function getArchivedPurchaseAmountAttribute()
     {
-        return Cache::remember('dealer_archived_purchase_amount:'.$this->user_id, 3600, function () {
-            return $this->purchaseSubsidies()->sum('total_purchase_amount');
+        return Cache::remember('dealer_archived_purchase_amount_v2:'.$this->user_id, 3600, function () {
+            return bcmul($this->purchaseSubsidies()->sum('total_purchase_amount'), '1', 2);
         });
     }