diff --git a/src/Controller/APIController.php b/src/Controller/APIController.php
index 75a73184..94e9fb38 100644
--- a/src/Controller/APIController.php
+++ b/src/Controller/APIController.php
@@ -418,7 +418,7 @@ class APIController extends Controller implements LoggedController
 
         $cust->setFirstName($req->request->get('first_name'))
             ->setLastName($req->request->get('last_name'))
-            ->setEmail($req->request->get('email'))
+            ->setEmail($req->request->get('email', ''))
             ->setConfirmed($this->session->isConfirmed());
 
         // update mobile phone of customer