diff --git a/src/Form.php b/src/Form.php
index 500ef6e..b4a91b1 100644
--- a/src/Form.php
+++ b/src/Form.php
@@ -382,7 +382,7 @@ class Form
 
     if ($this->csrf === TRUE)
     {
-      $csrf = new csrf ();
+      $csrf = new Csrf ();
       $csrf->field = $this->formName."[".$this->csrfField."]";
       $res .= $csrf->displayFormCSRF ();
       $this->csrfToken = $csrf->getToken ();
@@ -433,7 +433,7 @@ class Form
   public function checkToken ($tokenFromUser)
   // {{{
   {
-    $csrf = new csrf ();
+    $csrf = new Csrf ();
     $csrf->field = $this->csrfField;
     // The checkThenDeleteToken method check the token and except if there is a
     // problem. If there is no problem, it delete the token