diff --git a/public/include/classes/worker.class.php b/public/include/classes/worker.class.php
index 6cac9827..0aff7a62 100644
--- a/public/include/classes/worker.class.php
+++ b/public/include/classes/worker.class.php
@@ -42,6 +42,10 @@ class Worker {
    **/
   public function updateWorkers($account_id, $data) {
     $this->debug->append("STA " . __METHOD__, 4);
+    if (!is_array($data)) {
+      $this->setErrorMessage('No workers to update');
+      return false;
+    }
     $username = $this->user->getUserName($account_id);
     $iFailed = 0;
     foreach ($data as $key => $value) {
diff --git a/public/include/pages/account/workers.inc.php b/public/include/pages/account/workers.inc.php
index ccdae2b8..cb0711b1 100644
--- a/public/include/pages/account/workers.inc.php
+++ b/public/include/pages/account/workers.inc.php
@@ -1,5 +1,4 @@
 <?php
-
 // Make sure we are called from index.php
 if (!defined('SECURITY')) die('Hacking attempt');
 
@@ -20,7 +19,7 @@ if ($user->isAuthenticated()) {
     }
     break;
   case 'update':
-    if ($worker->updateWorkers($_SESSION['USERDATA']['id'], $_POST['data'])) {
+    if ($worker->updateWorkers($_SESSION['USERDATA']['id'], @$_POST['data'])) {
       $_SESSION['POPUP'][] = array('CONTENT' => 'Worker updated');
     } else {
       $_SESSION['POPUP'][] = array('CONTENT' => $worker->getError(), 'TYPE' => 'errormsg');