diff --git a/toolkit/mozapps/extensions/content/aboutaddons.html b/toolkit/mozapps/extensions/content/aboutaddons.html
index 6ab7694291e9..a7f65da568ae 100644
--- a/toolkit/mozapps/extensions/content/aboutaddons.html
+++ b/toolkit/mozapps/extensions/content/aboutaddons.html
@@ -345,7 +345,7 @@
       <message-bar class="discopane-notice" dismissable>
         <div class="discopane-notice-content">
           <span data-l10n-id="discopane-notice-recommendations"></span>
-          <a is="support-link"
+          <a is="moz-support-link"
              support-page="personalized-addons"
              data-l10n-id="discopane-notice-learn-more"
              action="notice-learn-more"></a>