Index: uc_recurring/includes/uc_recurring.uc_authorizenet.inc
===================================================================
--- uc_recurring/includes/uc_recurring.uc_authorizenet.inc	(date 1321006503000)
+++ uc_recurring/includes/uc_recurring.uc_authorizenet.inc	(revision )
@@ -80,7 +80,8 @@
       'txn_type' => UC_CREDIT_REFERENCE_TXN,
       'ref_id' => end(array_keys($order->data['cc_txns']['references'])),
     );
-    $result = uc_authorizenet_charge($order->order_id, $order->order_total, $data);
+    $currency_precision = variable_get('uc_currency_prec', 2);
+    $result = uc_authorizenet_charge($order->order_id, round($order->order_total, $currency_precision), $data);
 
     if ($result['success'] == TRUE) {
       uc_payment_enter($order->order_id, $order->payment_method, $order->order_total, $fee->uid, $result['data'], $result['comment']);