diff --git a/courses/static/js/topic_editation_presentation.js b/courses/static/js/topic_editation_presentation.js
index 73a99e3..a241ba2 100644
--- a/courses/static/js/topic_editation_presentation.js
+++ b/courses/static/js/topic_editation_presentation.js
@@ -6,7 +6,7 @@ $(document).ready(function(){
 function show_editation(id_topic){
     $(".presentation_"+ id_topic).hide();
     $(".editation_"+ id_topic).show();
-    $('#summernote').summernote({height: 300});
+    $(".editation_"+ id_topic).find('#summernote').summernote({height: 300});
 };
 
 function show_presentation(id_topic){
--
libgit2 0.21.2