diff --git a/app/Http/Controllers/JsonController.php b/app/Http/Controllers/JsonController.php
index b20f714350..9dc2be7629 100644
--- a/app/Http/Controllers/JsonController.php
+++ b/app/Http/Controllers/JsonController.php
@@ -93,6 +93,8 @@ class JsonController extends Controller
         }
         unset($bill, $bills);
 
+        $amount = $amount * -1; // make the amount positive again.
+
         $creditCards = $accountRepository->getCreditCards(); // Find credit card accounts and possibly unpaid credit card bills.
         /** @var Account $creditCard */
         foreach ($creditCards as $creditCard) {