diff --git a/extend/fast/Form.php b/extend/fast/Form.php
index b2dc44954016045f9985ce8e2440aa34edb48586..3ee097cb795d19741a0de4957fcc418907bad505 100644
--- a/extend/fast/Form.php
+++ b/extend/fast/Form.php
@@ -521,7 +521,7 @@ class FormBuilder
             $no = $options['no'];
         }
         $selected = $no == $value ? "fa-flip-horizontal text-gray" : "";
-        $disabled = (isset($options['disabled']) && $options['disabled']) || in_array('disabled', $options) ? "disabled" : '';
+        $disabled = (isset($options['disabled']) && $options['disabled']) || in_array('disabled', $options, true) ? "disabled" : '';
         $color = isset($options['color']) ? $options['color'] : 'success';
         unset($options['yes'], $options['no'], $options['color'], $options['disabled']);
         $attr = $this->attributes($options);