diff --git a/src/app/clients/SocmedSoapClient.php b/src/app/clients/SocmedSoapClient.php
index 435aadb8c1905d7ee7ffd29c1701e9e0b53ff0b5..132e32cfd0d64055f217909cae546017eac0342f 100644
--- a/src/app/clients/SocmedSoapClient.php
+++ b/src/app/clients/SocmedSoapClient.php
@@ -38,8 +38,7 @@ class SocmedSoapClient
     {
         $res = $this->client->call("requestUnlocking", array(
             'arg0' => $socmed_id,
-            'arg1' => null,
-            'arg2' => $link_code,
+            'arg1' => $link_code,
         ));
         return $res;
     }