diff --git a/gulliver/system/class.menu.php b/gulliver/system/class.menu.php
index 82ce5fa03..e539f2417 100644
--- a/gulliver/system/class.menu.php
+++ b/gulliver/system/class.menu.php
@@ -283,7 +283,7 @@ class Menu
      */
     public function DisableOptionId($id)
     {
-        if (array_search($id, $this->Id)) {
+        if (array_search($id, $this->Id) !== FALSE) {
             $this->Enabled[array_search($id, $this->Id)] = 0;
         }
     }