Index: cart.module
===================================================================
RCS file: /cvs/drupal/contributions/modules/ecommerce/cart/cart.module,v
retrieving revision 1.83
diff -u -r1.83 cart.module
--- cart.module	7 Feb 2006 05:14:02 -0000	1.83
+++ cart.module	28 Feb 2006 15:00:54 -0000
@@ -619,7 +619,7 @@
     ec_checkout_delete_data();
 
     if ($edit->gross > 0) {
-      $output = module_invoke($edit->payment_method, 'paymentapi', $edit, 'payment page');
+      $output = module_invoke(payment_get_modulename($edit->payment_method), 'paymentapi', $edit, 'payment page');
     }
     else {
       drupal_set_message(t('Your order has been submitted.'));