=== modified file 'payment/uc_google_checkout/uc_google_checkout.module'
--- payment/uc_google_checkout/uc_google_checkout.module	2009-01-14 15:40:54 +0000
+++ payment/uc_google_checkout/uc_google_checkout.module	2009-01-22 14:31:59 +0000
@@ -699,7 +699,7 @@
 
   $request = uc_google_checkout_cart_request($order);
   if ($response = uc_google_checkout_send_request('merchantCheckout', $request)) {
-    $redirect = $response->params['checkout-redirect']['redirect-url']['VALUE'];
+    $redirect = str_replace('shoppingcartshoppingcart', 'shoppingcart&shoppingcart', $response->params['checkout-redirect']['redirect-url']['VALUE']);
     drupal_goto($redirect);
   }
 }