diff --git a/web/viewer.html b/web/viewer.html
index 70093d994..06af493c4 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -98,8 +98,8 @@ See https://github.com/adobe-type-tools/cmap-resources
   </head>
 
   <body tabindex="0">
-    <span id="viewer-alert" class="visuallyHidden" role="alert"></span>
     <div id="outerContainer">
+      <span id="viewer-alert" class="visuallyHidden" role="alert"></span>
 
       <div id="sidebarContainer">
         <div id="toolbarSidebar" class="toolbarHorizontalGroup">
