diff --git a/restapi/index.php b/restapi/index.php
index 15a695ec2..97a9cf3b2 100644
--- a/restapi/index.php
+++ b/restapi/index.php
@@ -44,13 +44,19 @@ class RestapiController { /* {{{ */
     } /* }}} */
 
     protected function __getDocumentData($document) { /* {{{ */
+        $cats = $document->getCategories();
+        $tmp = [];
+        foreach($cats as $cat) {
+            $tmp[] = $this->__getCategoryData($cat);
+        }
         $data = array(
             'type'=>'document',
             'id'=>(int)$document->getId(),
             'date'=>date('Y-m-d H:i:s', $document->getDate()),
             'name'=>$document->getName(),
             'comment'=>$document->getComment(),
-            'keywords'=>$document->getKeywords()
+            'keywords'=>$document->getKeywords(),
+            'categories'=>$tmp
         );
         return $data;
     } /* }}} */