diff --git a/physics/templates/physics/exam_take.html b/physics/templates/physics/exam_take.html
index 079dff8e..3d31327d 100755
--- a/physics/templates/physics/exam_take.html
+++ b/physics/templates/physics/exam_take.html
@@ -101,7 +101,7 @@
                 //    })
                 //})
             {% else %}
-                $(`ol.physics-answer-list input`).disabled = true;
+                $(`ol.physics-answer-list input`).each((n, el) => { el.disabled = true; });
                 {{question.get_answers_js}}.forEach((el, n) => {
                     console.log(el)
                     $(`ol.physics-answer-list li:eq(${n})`).addClass(`answer-${el}`)