diff --git a/mod/lesson/mod.html b/mod/lesson/mod.html
index 25d301cf1c0..533dfef13d0 100644
--- a/mod/lesson/mod.html
+++ b/mod/lesson/mod.html
@@ -105,7 +105,7 @@ if ($form->mode == "add") {
 
     /// CDC-FLAG ///
 ?>
-
+<div class="mod-lesson">
 <form name="form" method="post" action="mod.php">
 <center>
 
@@ -496,3 +496,4 @@ if ($form->mode == "add") {
 <input type="submit" value="<?php  print_string("savechanges") ?>" />
 </center>
 </form>
+</div> <!-- ends class mod-lesson -->