diff --git a/app/assets/javascripts/initializers/initializeHeroBannerClose.js b/app/assets/javascripts/initializers/initializeHeroBannerClose.js
index 6b8426671..063bc9928 100644
--- a/app/assets/javascripts/initializers/initializeHeroBannerClose.js
+++ b/app/assets/javascripts/initializers/initializeHeroBannerClose.js
@@ -3,10 +3,12 @@
 function initializeHeroBannerClose() {
   let bannerWrapper = document.getElementById('hero-html-wrapper');
   let closeIcon = document.getElementById('js-hero-banner__x');
+
   // Currently js-hero-banner__x button icon ID needs to be written into the abstract html
   // In the future this could be extracted so the implementer doesn't need to worry about it.
 
   if (bannerWrapper && closeIcon) {
+    closeIcon.setAttribute('aria-label', 'Close campaign banner');
     closeIcon.addEventListener('click', () => {
       localStorage.setItem('exited_hero', bannerWrapper.dataset.name);
       bannerWrapper.style.display = 'none';