diff --git a/cnames_active.js b/cnames_active.js
index 326a3bcd..f3550c2a 100755
--- a/cnames_active.js
+++ b/cnames_active.js
@@ -1831,6 +1831,7 @@ var cnames_active = {
   "ultcombo": "ultcombo.github.io",
   "umair": "mumairofficial.github.io",
   "umm": "umm233.github.io",
+  "underbase": "sundowndev.github.io/underbase",
   "underline": "brightskyz.github.io/underline",
   "uneditable": "iamcristye.github.io/Uneditable.js",
   "unexpected": "unexpectedjs.github.io", // noCF? (don´t add this in a new PR)