diff --git a/lib/formslib.php b/lib/formslib.php
index e13d496..a81bce6 100644
--- a/lib/formslib.php
+++ b/lib/formslib.php
@@ -742,6 +742,8 @@ abstract class moodleform {
      * Print html form.
      */
     function display() {
+        // get a fresh renderer for this form
+        $GLOBALS['_HTML_QuickForm_default_renderer'] = new MoodleQuickForm_Renderer();
         //finalize the form definition if not yet done
         if (!$this->_definition_finalized) {
             $this->_definition_finalized = true;