diff --git a/includes/SpecialContact.php b/includes/SpecialContact.php
index 8b11c00..e580289 100644
--- a/includes/SpecialContact.php
+++ b/includes/SpecialContact.php
@@ -438,12 +438,12 @@ class SpecialContact extends UnlistedSpecialPage
 
     private function verifyCaptcha($recaptchaResponse)
     {
-        global $wgRequest;
+        global $wgRequest, $wgReCaptchaSecretKey;
         $x = $wgRequest->getHeader("REMOTE_ADDR");
         echo $x;
         $post_data = http_build_query(
             array(
-        'secret' => CAPTCHA_SECRET,
+        'secret' => $wgReCaptchaSecretKey,
         'response' => $_POST['g-recaptcha-response'],
         'remoteip' => $_SERVER['REMOTE_ADDR']
     )