diff --git a/static/scripts/loggedin.js b/static/scripts/loggedin.js
index 4cead872c3..876f4a2cd8 100644
--- a/static/scripts/loggedin.js
+++ b/static/scripts/loggedin.js
@@ -63,11 +63,17 @@ function toggleSidebar() {
     const sidebar = document.querySelector('.sidebar');
     const overlay = document.querySelector('.overlay');
     const contentDiv = document.querySelector('.content-min-height');
+    const sidebarItems = document.querySelectorAll('.sidebar-item');
+    const sidebarSubitems = document.querySelectorAll('.subitem');
+    const legalLinks = document.querySelectorAll('.legal-link');
 
 	if (sidebar) {
 		if (sidebar.classList.contains('hidden')) {
             sidebar.classList.remove('hidden');
             sidebar.classList.add('visible');
+            toggleTabindexOnSidebarItems(sidebarItems, 0);
+            toggleTabindexOnSidebarItems(legalLinks, 0);
+            toggleTabindexOnSidebarItems(sidebarSubitems, 0);
 
             if (window.innerWidth <= 1279) {
                 overlay.style.display = "block";
@@ -78,6 +84,9 @@ function toggleSidebar() {
         } else {
             sidebar.classList.remove('visible');
             sidebar.classList.add('hidden');
+            toggleTabindexOnSidebarItems(sidebarItems, -1);
+            toggleTabindexOnSidebarItems(legalLinks, -1);
+            toggleTabindexOnSidebarItems(sidebarSubitems, -1);
 
             if (window.innerWidth <= 1279) {
                 overlay.style.display = "none";
@@ -104,6 +113,13 @@ function toggleSidebar() {
 	}
 }
 
+function toggleTabindexOnSidebarItems(elements, tabindex) {
+    [].forEach.call(elements, function (el) {
+        el.setAttribute("tabindex", tabindex);
+        el.setAttribute("aria-hidden", true);
+    });
+}
+
 function toggleSidebarOnWindowWidth(sidebar) {
     const overlay = document.querySelector('.overlay');