diff --git a/webservice/rest/locallib.php b/webservice/rest/locallib.php
index abd131cfd93..45d9fd69611 100644
--- a/webservice/rest/locallib.php
+++ b/webservice/rest/locallib.php
@@ -120,7 +120,7 @@ class webservice_rest_server extends webservice_base_server {
             } else {
                 $response = '<?xml version="1.0" encoding="UTF-8" ?>'."\n";
                 $response .= '<RESPONSE>'."\n";
-                $response .= self::xmlize_result($this->returns, $this->function->returns_desc);
+                $response .= self::xmlize_result($validatedvalues, $this->function->returns_desc);
                 $response .= '</RESPONSE>'."\n";
             }
         }
@@ -248,4 +248,4 @@ class webservice_rest_test_client implements webservice_test_client_interface {
     public function simpletest($serverurl, $function, $params) {
         return download_file_content($serverurl.'&wsfunction='.$function, null, $params);
     }
-}
\ No newline at end of file
+}