--- a/mobile/chrome/content/browser.xul
+++ b/mobile/chrome/content/browser.xul
@@ -255,17 +255,17 @@
 
           <notificationbox id="notifications" class="window-width"/>
 
           <!-- Content viewport -->
           <vbox class="window-width window-height">
             <stack id="tile-stack" class="window-width" flex="1">
               <scrollbox id="content-scrollbox" style="overflow: hidden;" class="window-width" flex="1">
                 <!-- Content viewport -->
-                <html:div id="tile-container" style="overflow: hidden;">
+                <html:div id="tile-container" style="overflow: hidden;" tabindex="-1">
                   <html:canvas id="content-overlay" style="display: none; position: absolute; z-index: 1000; left: 0; top: 0;">
                   </html:canvas>
                 </html:div>
               </scrollbox>
               <html:canvas id="view-buffer" style="display: none;" moz-opaque="true">
               </html:canvas>
             </stack>
             <box id="form-helper-spacer" hidden="true"/>