diff --git a/lexer.js b/lexer.js
index 5c29f84..75100ff 100644
--- a/lexer.js
+++ b/lexer.js
@@ -15,7 +15,7 @@ var re = {
   unblank: /\S/,
   email: /[-!#$%&'*+\/0-9=?A-Z^_a-z{|}~](?:\.?[-!#$%&'*+\/0-9=?A-Z^_a-z`{|}~])*@[a-zA-Z0-9](?:-?\.?[a-zA-Z0-9])*(?:\.[a-zA-Z](?:-?[a-zA-Z0-9])*)+/gi,
   urls: /(?:https?:\/\/)(?:[\da-z\.-]+)\.(?:[a-z\.]{2,6})(?:[\/\w\.\-\?#=]*)*\/?/ig,
-  punctuation: /[\/\.\,\?\!\"\'\:\;\$\(\)\#]/ig,
+  punctuation: /[\/\.\,\?\!\"\'\:\;\$\(\)\#\’\`]/ig,
   time: /(?:[0-9]|0[0-9]|1[0-9]|2[0-3]):(?:[0-5][0-9])\s?(?:[aApP][mM])/ig
 }