diff --git a/src/Core/Services/Implementations/StripePaymentService.cs b/src/Core/Services/Implementations/StripePaymentService.cs
index 80d354c117..96e45822da 100644
--- a/src/Core/Services/Implementations/StripePaymentService.cs
+++ b/src/Core/Services/Implementations/StripePaymentService.cs
@@ -437,7 +437,7 @@ namespace Bit.Core.Services
 
                             await customerService.UpdateAsync(customer.Id, new CustomerUpdateOptions
                             {
-                                AccountBalance = -1 * previewInvoice.AmountDue
+                                AccountBalance = customer.AccountBalance - previewInvoice.AmountDue
                             });
                             addedCreditToStripeCustomer = true;
                         }