diff --git a/addons/website_slides/static/src/js/slides_course_quiz.js b/addons/website_slides/static/src/js/slides_course_quiz.js
index bc783ae38bb..ec47bf39fda 100644
--- a/addons/website_slides/static/src/js/slides_course_quiz.js
+++ b/addons/website_slides/static/src/js/slides_course_quiz.js
@@ -742,7 +742,7 @@
                 return slide;
             }
             // A quiz in a documentation on non fullscreen view
-            return $(`.o_wslides_js_lesson_quiz[data-id="${slideId}"`).data();
+            return $(`.o_wslides_js_lesson_quiz[data-id="${slideId}"]`).data();
         },
 
         /**