diff --git a/xmodule/js/src/tabs/tabs-aggregator.js b/xmodule/js/src/tabs/tabs-aggregator.js
index 83baca4cf6e9..da982b6afc9d 100644
--- a/xmodule/js/src/tabs/tabs-aggregator.js
+++ b/xmodule/js/src/tabs/tabs-aggregator.js
@@ -63,8 +63,8 @@
         if ($.isFunction(onSwitchFunction)) {
           onSwitchFunction();
         }
-        this.$tabs.removeClass('current');
-        $currentTarget.addClass('current');
+        this.$tabs.attr('aria-current', 'false').removeClass('current');
+        $currentTarget.attr('aria-current', 'true').addClass('current');
 
         /*
         Tabs are implemeted like anchors. Therefore we can use hash to find
diff --git a/xmodule/js/src/video/09_video_caption.js b/xmodule/js/src/video/09_video_caption.js
index 37e3923067d5..f5db26514b64 100644
--- a/xmodule/js/src/video/09_video_caption.js
+++ b/xmodule/js/src/video/09_video_caption.js
@@ -1096,12 +1096,13 @@
                         if (typeof this.currentIndex !== 'undefined') {
                             this.subtitlesEl
                                 .find('li.current')
+                                .attr('aria-current', 'false')
                                 .removeClass('current');
-                        }
-
+                        }                 
                         this.subtitlesEl
                             .find("span[data-index='" + newIndex + "']")
                             .parent()
+                            .attr('aria-current', 'true')
                             .addClass('current');
 
                         this.currentIndex = newIndex;