diff --git a/src/upload/catalog/controller/api/retailcrm.php b/src/upload/catalog/controller/api/retailcrm.php
index 35fb491..9a7bb71 100644
--- a/src/upload/catalog/controller/api/retailcrm.php
+++ b/src/upload/catalog/controller/api/retailcrm.php
@@ -77,8 +77,8 @@ class ControllerApiRetailcrm extends Controller
             $address = array(
                 'country_id' => $country_id,
                 'zone_id' => $zone['zone_id'],
-                'iso_code_2' => $country['iso_code_2'],
-                'iso_code_3' => $country['iso_code_3'],
+                'iso_code_2' => !empty($country['iso_code_2']) ? $country['iso_code_2'] : '',
+                'iso_code_3' => !empty($country['iso_code_3']) ? $country['iso_code_3'] : '',
                 'zone_code' => $zone['code'],
                 'postcode' => '',
                 'city' => ''