diff --git a/lib/marked.js b/lib/marked.js
index 233992e7d9..67cfc9c171 100644
--- a/lib/marked.js
+++ b/lib/marked.js
@@ -119,7 +119,7 @@ block.pedantic = merge({}, block.normal, {
   html: edit(
     '^ *(?:comment *(?:\\n|\\s*$)'
     + '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' // closed tag
-    + '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>]*)*?/?> *(?:\\n{2,}|\\s*$))')
+    + '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))')
     .replace('comment', block._comment)
     .replace(/tag/g, '(?!(?:'
       + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub'