diff --git a/bin/cli.class.php b/bin/cli.class.php
index 8cdcc9e8e7c1..1737fb3a7c3d 100644
--- a/bin/cli.class.php
+++ b/bin/cli.class.php
@@ -295,7 +295,8 @@ private function _bootstrap() {
    */
   private function _validateOptions() {
     $required = $this->_required_arguments;
-    while (list(, $var) = each($required)) {
+    foreach ($required as $vars) {
+      $var = $vars[1];
       $index = '_' . $var;
       if (empty($this->$index)) {
         $missing_arg = '--' . $var;