diff --git a/cnames_active.js b/cnames_active.js
index 2da8dbb5..139cc3b5 100644
--- a/cnames_active.js
+++ b/cnames_active.js
@@ -1611,6 +1611,7 @@ var cnames_active = {
   "ongaku": "anshuman-verma.github.io/ongaku",
   "openrecord": "philwaldmann.github.io/openrecord",
   "opentype": "nodebox.github.io/opentype.js",
+  "operatio": "furioustsunami.github.io/Operatio",
   "opxop": "opxop.github.io",
   "orango": "roboncode.github.io/orango",
   "orga": "orgapp.github.io/orgajs",