diff --git a/docs/changelog/7.x.x.txt b/docs/changelog/7.x.x.txt
index 9b77c4210..28f4e994a 100644
--- a/docs/changelog/7.x.x.txt
+++ b/docs/changelog/7.x.x.txt
@@ -1,4 +1,5 @@
 7.10.17
+ - fixed: Forced to use a PayDriver even with a balance of 0 in the cart.
 
 7.10.16
  - fixed #12121: typ-o Asset_Map.templateIdEditPoint
diff --git a/lib/WebGUI/Shop/Cart.pm b/lib/WebGUI/Shop/Cart.pm
index 9a16ae3ef..62cb80878 100644
--- a/lib/WebGUI/Shop/Cart.pm
+++ b/lib/WebGUI/Shop/Cart.pm
@@ -925,7 +925,7 @@ sub www_checkout {
         my $total = $self->calculateTotal;
         ##Handle rounding errors, and checkout immediately if the amount is 0 since
         ##at least the ITransact driver won't accept $0 checkout.
-        if (sprintf('%.2f', $total + $self->calculateShopCreditDeduction($total)) eq '0.00') {
+        if (sprintf('%.2f', abs($total + $self->calculateShopCreditDeduction($total))) eq '0.00') {
             my $transaction = WebGUI::Shop::Transaction->create($session, {cart => $self});
             $transaction->completePurchase('zero', 'success', 'success');
             $self->onCompletePurchase;