diff --git a/cnames_active.js b/cnames_active.js
index b54e29c6..b23b404a 100755
--- a/cnames_active.js
+++ b/cnames_active.js
@@ -1469,6 +1469,7 @@ var cnames_active = {
   "udnisap": "udnisap.github.io",
   "ulog": "download.github.io/ulog",
   "ultcombo": "ultcombo.github.io",
+  "underline": "brightskyz.github.io/underline",
   "uneditable": "iamcristye.github.io/Uneditable.js",
   "unexpected": "unexpectedjs.github.io", // noCF? (don´t add this in a new PR)
   "uni": "arcadiogarcia.github.io/UNIJS", // noCF? (don´t add this in a new PR)