diff --git a/commerce_paybox.module b/commerce_paybox.module
index 245cbef..a2f6be3 100644
--- a/commerce_paybox.module
+++ b/commerce_paybox.module
@@ -5,8 +5,11 @@
  * Implements Paybox payment services for use with Drupal Commerce.
  */
 
+/** @deprecated Use commerce_paybox_get_available_hosts() */
 define('PAYBOX_HOST_MAIN', 'tpeweb.paybox.com');
+/** @deprecated Use commerce_paybox_get_available_hosts() */
 define('PAYBOX_HOST_BACKUP', 'tpeweb1.paybox.com');
+/** @deprecated Use commerce_paybox_get_available_hosts() */
 define('PAYBOX_HOST_PREPROD', 'preprod-tpeweb.paybox.com');
 
 define('PAYBOX_PATH_SERVICE_CLASSIC', '/cgi/MYchoix_pagepaiement.cgi');
@@ -26,6 +29,20 @@ define('PAYBOX_SANDBOX_URL_RWD', 'https://preprod-tpeweb.paybox.com/cgi/Framepag
 define('PAYBOX_DIRECT_URL', 'https://ppps.paybox.com/PPPS.php');
 define('PAYBOX_DIRECT_SANDBOX_URL', 'https://preprod-ppps.paybox.com/PPPS.php');
 
+/**
+ * Returns the list of available hosts.
+ *
+ * @param boolean $preprod
+ * @return array
+ */
+function commerce_paybox_get_available_hosts($preprod = false) {
+  $domain = variable_get('commerce_paybox_domain', 'paybox.com');
+  if ($preprod) {
+    return array('preprod-tpeweb.' . $domain);
+  }
+  return array('tpeweb.' . $domain, 'tpeweb1.' . $domain);
+}
+
 /**
  * Returns the first available url to send to.
  *
@@ -407,7 +424,7 @@ function commerce_paybox_offsite_redirect_form($form, &$form_state, $order, $pay
     '#value' => t('Pay with Paybox'),
   );
 
-  $hosts = $settings['pbx_sandbox'] ? array(PAYBOX_HOST_PREPROD) : array(PAYBOX_HOST_MAIN, PAYBOX_HOST_BACKUP);
+  $hosts = commerce_paybox_get_available_hosts($settings['pbx_sandbox']);
   if ($url = commerce_paybox_get_available_url($hosts, $settings['pbx_form_url'])) {
     $form['#action'] = $url;
   }
diff --git a/includes/commerce_paybox.admin.inc b/includes/commerce_paybox.admin.inc
index 7b4461a..6f3299d 100644
--- a/includes/commerce_paybox.admin.inc
+++ b/includes/commerce_paybox.admin.inc
@@ -101,6 +101,17 @@ function commerce_paybox_settings($form, &$form_state) {
     '#default_value' => variable_get('commerce_paybox_use_order_number', FALSE),
   );
 
+  $form['commerce_paybox_domain'] = array(
+    '#type' => 'select',
+    '#title' => t('Paybox payment domain'),
+    '#options' => array(
+      'paybox.com' => t('Paybox'),
+      'e-transactions.fr' => t('Up2pay E-Transactions'),
+    ),
+    '#description' => t('Choose Paybox unless you use a white label service.'),
+    '#default_value' => variable_get('commerce_paybox_domain', 'paybox.com'),
+  );
+
   $paybox_servers = variable_get('commerce_paybox_paybox_servers', array());
   $form['commerce_paybox_paybox_servers'] = array(
     '#type' => 'textarea',
diff --git a/tests/commerce_paybox.test b/tests/commerce_paybox.test
index bb2a4b4..be7da7f 100644
--- a/tests/commerce_paybox.test
+++ b/tests/commerce_paybox.test
@@ -87,13 +87,15 @@ class CommercePayboxTestCase extends DrupalWebTestCase {
    * 99.99% the case!
    */
   function testVerifyServer() {
+    $hosts = commerce_paybox_get_available_hosts();
     $this->assertEqual(
-      commerce_paybox_get_available_url(array(PAYBOX_HOST_MAIN, PAYBOX_HOST_BACKUP), 'random'),
-      'https://' . PAYBOX_HOST_MAIN . PAYBOX_PATH_SERVICE_NEW
+      commerce_paybox_get_available_url($hosts, 'random'),
+      'https://' . $hosts[0] . PAYBOX_PATH_SERVICE_NEW
     );
+    $hosts = commerce_paybox_get_available_hosts();
     $this->assertEqual(
-      commerce_paybox_get_available_url(array(PAYBOX_HOST_PREPROD), 'classic'),
-      'https://' . PAYBOX_HOST_PREPROD . PAYBOX_PATH_SERVICE_CLASSIC
+      commerce_paybox_get_available_url($hosts, 'classic'),
+      'https://' . $hosts[0] . PAYBOX_PATH_SERVICE_CLASSIC
     );
   }