diff --git a/lib/inlines.js b/lib/inlines.js
index 843bd5b6..f9953d60 100644
--- a/lib/inlines.js
+++ b/lib/inlines.js
@@ -43,7 +43,7 @@ var reLinkTitle = new RegExp(
         '|' +
         '\'(' + ESCAPED_CHAR + '|[^\'\\x00])*\'' +
         '|' +
-        '\\((' + ESCAPED_CHAR + '|[^)\\x00])*\\))');
+        '\\((' + ESCAPED_CHAR + '|[^()\\x00])*\\))');
 
 var reLinkDestinationBraces = /^(?:<(?:[^<>\n\\\x00]|\\.)*>)/;