diff --git a/lib/modules/markdown.js b/lib/modules/markdown.js
index 51fe3965..a501c2b5 100644
--- a/lib/modules/markdown.js
+++ b/lib/modules/markdown.js
@@ -50,7 +50,7 @@ module.exports = {
 
   processHtml: function(html) {
     var $ = cheerio.load(html);
-    $('p, a, li, pre, h1, h2, h3, h4, h5, h6').not('[sg-no-style]').addClass('sg');
+    $('p, a, li, pre, h1, h2, h3, h4, h5, h6, table, thead, tbody, tr, th, td').not('[sg-no-style]').addClass('sg');
     excludeLinks.forEach(function(link) {
       $('a[href^="' + link + '"]').remove();
     });