diff --git a/htdocs/categories/fiche.php b/htdocs/categories/fiche.php
index 72576b8b7a7..a1a8e8f09fc 100644
--- a/htdocs/categories/fiche.php
+++ b/htdocs/categories/fiche.php
@@ -28,6 +28,7 @@
 */
 
 require "./pre.inc.php";
+require_once(DOL_DOCUMENT_ROOT."/categories/categorie.class.php");
 
 if (!$user->rights->categorie->lire) accessforbidden();
 
diff --git a/htdocs/html.form.class.php b/htdocs/html.form.class.php
index f34efe8c8d5..d74fc667072 100644
--- a/htdocs/html.form.class.php
+++ b/htdocs/html.form.class.php
@@ -921,7 +921,7 @@ class Form
         global $conf,$langs;
         $langs->load("categorie");
     
-        $categorie = new Categorie ($db);
+        $categorie = new Categorie($db);
         $nb = $categorie->get_nb_categories();
     
         for ($i = 0 ; $i <= $nb ; $i++)