diff --git a/htdocs/categories/class/api_categories.class.php b/htdocs/categories/class/api_categories.class.php
index 5b8f0cdbe39..92ce17642ab 100644
--- a/htdocs/categories/class/api_categories.class.php
+++ b/htdocs/categories/class/api_categories.class.php
@@ -264,7 +264,7 @@ class Categories extends DolibarrApi
             )
         );
     }
-    
+
     /**
      * List categories of an object
      *
@@ -278,7 +278,7 @@ class Categories extends DolibarrApi
      * @return array                Array of category objects
      *
      * @throws RestException
-     * 
+     *
      * @url GET /object/{type}/{id}
      */
     public function getListForObject($id, $type = 'customer', $sortfield = "s.rowid", $sortorder = 'ASC', $limit = 0, $page = 0)
@@ -287,13 +287,13 @@ class Categories extends DolibarrApi
         if (!in_array($type, ['product'/*, 'member', 'customer', 'supplier', 'contact'*/])) {
             throw new RestException(401);
         }
-        
+
         if($type == 'product' && ! (DolibarrApiAccess::$user->rights->produit->lire || DolibarrApiAccess::$user->rights->service->lire)) {
             throw new RestException(401);
         }
-        
+
         $categories = $this->category->getListForItem($id, $type, $sortfield, $sortorder, $limit, $page);
-        
+
         if( ! count($categories)) {
             throw new RestException(404, 'No category found for this object');
         }