diff --git a/TwittiaCore.js b/TwittiaCore.js
index 794f076..c2b99de 100644
--- a/TwittiaCore.js
+++ b/TwittiaCore.js
@@ -306,7 +306,7 @@ Twittia.prototype.authorizationHeader = function(method, url, params) {
 }
 
 function replaceURLWithHTMLLinks(text) {
-	var exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
+	var exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_()|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
 	return text.replace(exp,"<a href='$1'>$1</a>"); 
 }