diff --git a/theme/views-view-table.tpl.php b/theme/views-view-table.tpl.php
index a9abcd3..36cdca2 100644
--- a/theme/views-view-table.tpl.php
+++ b/theme/views-view-table.tpl.php
@@ -26,7 +26,7 @@
     <thead>
       <tr>
         <?php foreach ($header as $field => $label): ?>
-          <th <?php if ($header_classes[$field]) { print 'class="'. $header_classes[$field] . '" '; } ?>>
+          <th <?php if ($header_classes[$field]) { print 'class="'. $header_classes[$field] . '" '; } ?> scope="col">
             <?php print $label; ?>
           </th>
         <?php endforeach; ?>