diff --git a/modules/wowchemy/assets/js/wowchemy-init.js b/modules/wowchemy/assets/js/wowchemy-init.js
index 1c2cdf40..1da7a225 100644
--- a/modules/wowchemy/assets/js/wowchemy-init.js
+++ b/modules/wowchemy/assets/js/wowchemy-init.js
@@ -34,7 +34,7 @@ window.PlotlyConfig = {MathJaxConfig: 'local'};
 // Check for any dismissed announcements that should be hidden on load
 Object.keys(localStorage).forEach(function(key) {
   if (/^wc-announcement-/.test(key)) {
-    document.documentElement.setAttribute('data-announcement-status', 'dismissed');
+    document.documentElement.setAttribute('data-wc-announcement-status', 'dismissed');
     console.debug('Hiding announcement...');
   }
 });