diff --git a/sites/all/modules/gui/materiobasemod/materio_user.module b/sites/all/modules/gui/materiobasemod/materio_user.module
index 697efcff..24df4af8 100755
--- a/sites/all/modules/gui/materiobasemod/materio_user.module
+++ b/sites/all/modules/gui/materiobasemod/materio_user.module
@@ -529,6 +529,32 @@ function materio_user_flatenize_form_values($ar_src, &$flat_ar){
   }
 }
 
+function materio_user_uc_cart_checkout_start($order) {
+  // dsm($order);
+  $user = user_load($order->uid);
+  // dsm($user, 'user');
+  $member_profile = profile2_load_by_user($user, 'adherent');
+  // dsm($member_profile, "member_profile");
+
+  $location = (object) $member_profile->field_adresse['und'][0];
+  # convert country code to UC country ID (pfff)
+  $countries = db_query("SELECT country_id, country_iso_code_2 FROM {uc_countries} WHERE version > :version", array(':version' => 0))->fetchAllKeyed();
+  foreach ($countries as $country_id => $country_code) {
+    if($location->country == $country_code){
+      $location->uc_country_id = $country_id;
+      break;
+    }
+  }
+
+  $correspondances = array(
+    "billing_country" => $location->uc_country_id,
+  );
+  // dsm($correspondances);
+  foreach ($correspondances as $order_field => $value) {
+    $order->{$order_field} = $value;
+  }
+}
+
 /**
  * Implements hook_form_alter().
  */