diff --git a/addons/website_slides_survey/views/website_slides_templates_lesson_fullscreen.xml b/addons/website_slides_survey/views/website_slides_templates_lesson_fullscreen.xml
index b604582ce34..d42674336ac 100644
--- a/addons/website_slides_survey/views/website_slides_templates_lesson_fullscreen.xml
+++ b/addons/website_slides_survey/views/website_slides_templates_lesson_fullscreen.xml
@@ -3,7 +3,7 @@
 
     <template id="slide_fullscreen_sidebar_category" inherit_id="website_slides.slide_fullscreen_sidebar_category">
         <xpath expr="//div[@t-attf-index='#{i}']" position="attributes">
-             <attribute name="t-att-data-certification-done">course_slide.user_membership_id.survey_quizz_passed</attribute>
+             <attribute name="t-att-data-certification-done">channel_progress[course_slide.id].get('survey_quizz_passed')</attribute>
              <attribute name="t-att-data-certification-id">course_slide.survey_id.id</attribute>
         </xpath>
     </template>