diff --git a/toolkit/mozapps/extensions/content/aboutaddons.html b/toolkit/mozapps/extensions/content/aboutaddons.html
index 4d4c828d0a79..be4cadae28eb 100644
--- a/toolkit/mozapps/extensions/content/aboutaddons.html
+++ b/toolkit/mozapps/extensions/content/aboutaddons.html
@@ -233,6 +233,7 @@
           action="set-update-automatically"
           data-l10n-id="addon-updates-update-addons-automatically"
           data-l10n-attrs="accesskey"
+          type="checkbox"
         ></panel-item>
         <panel-item
           action="reset-update-states"