diff --git a/course/lib.php b/course/lib.php
index 46a945d..593e227 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -2220,11 +2220,11 @@ function print_course_search($value="", $return=false, $format="plain") {
         $output .= '</fieldset></form>';
     } else if ($format == 'navbar') {
         $output  = '<form id="coursesearchnavbar" action="'.$CFG->wwwroot.'/course/search.php" method="get">';
-        $output .= '<fieldset class="coursesearchbox invisiblefieldset">';
+        $output .= '<div class="coursesearchbox invisiblefieldset">';
         $output .= '<label for="navsearchbox">'.$strsearchcourses.': </label>';
         $output .= '<input type="text" id="navsearchbox" size="20" name="search" alt="'.s($strsearchcourses).'" value="'.s($value, true).'" />';
         $output .= '<input type="submit" value="'.get_string('go').'" />';
-        $output .= '</fieldset></form>';
+        $output .= '</div></form>';
     }
 
     if ($return) {