diff --git a/addons/web_editor/controllers/main.py b/addons/web_editor/controllers/main.py
index cad5291d875..5a7ca5483f7 100644
--- a/addons/web_editor/controllers/main.py
+++ b/addons/web_editor/controllers/main.py
@@ -97,7 +97,7 @@ class Web_Editor(http.Controller):
 
         li = htmlelem.find(".//li[@id='checklist-id-" + str(checklistId) + "']")
 
-        if not self._update_checklist_recursive(li, checked, children=True, ancestors=True):
+        if not li or not self._update_checklist_recursive(li, checked, children=True, ancestors=True):
             return value
 
         value = etree.tostring(htmlelem[0][0], encoding='utf-8', method='html')[5:-6]
diff --git a/addons/web_editor/static/src/js/editor/summernote.js b/addons/web_editor/static/src/js/editor/summernote.js
index 03642ff177f..c2cf0d68d6c 100644
--- a/addons/web_editor/static/src/js/editor/summernote.js
+++ b/addons/web_editor/static/src/js/editor/summernote.js
@@ -1790,6 +1790,7 @@ $.summernote.pluginEvents.insertUnorderedList = function (event, editor, layoutI
     }
     r.clean().select();
     event.preventDefault();
+
     return false;
 };
 $.summernote.pluginEvents.insertOrderedList = function (event, editor, layoutInfo) {
@@ -1797,6 +1798,7 @@ $.summernote.pluginEvents.insertOrderedList = function (event, editor, layoutInf
 };
 $.summernote.pluginEvents.insertCheckList = function (event, editor, layoutInfo) {
     $.summernote.pluginEvents.insertUnorderedList(event, editor, layoutInfo, "checklist");
+    $(range.create().sc.parentNode).trigger('input'); // to update checklist-id
 };
 $.summernote.pluginEvents.indent = function (event, editor, layoutInfo, outdent) {
     var $editable = layoutInfo.editable();