diff --git a/common/lib/xmodule/xmodule/js/src/capa/display.js b/common/lib/xmodule/xmodule/js/src/capa/display.js
index 51902160c5..d11e717f7d 100644
--- a/common/lib/xmodule/xmodule/js/src/capa/display.js
+++ b/common/lib/xmodule/xmodule/js/src/capa/display.js
@@ -1324,7 +1324,7 @@
                     } else {
                         that.hintButton.attr({disabled: 'disabled'});
                     }
-                    that.el.find('.notification-hint').show();
+                    that.el.find('.notification-hint').removeClass('is-hidden')
                     that.focus_on_hint_notification(nextIndex);
                 } else {
                     that.gentle_alert(response.msg);