diff --git a/src/General/Settings.coffee b/src/General/Settings.coffee
index 02b05d400..aab75b1b4 100644
--- a/src/General/Settings.coffee
+++ b/src/General/Settings.coffee
@@ -449,6 +449,9 @@ Settings =
           'Feedback request: <a href="https://desuarchive.org/qa/thread/1769829/" target="_blank"><br>What features from 4chan X do you wish were available on other sites you use?</a>'
         ) %>
       new Notice 'info', message
+    if compareString < '00001.00014.00000.00006'
+      if data['siteSoftware']?
+        set 'siteSoftware', data['siteSoftware'] + '\n4cdn.org yotsuba'
     changes
 
   loadSettings: (data, cb) ->
diff --git a/src/config/Config.coffee b/src/config/Config.coffee
index 4e51edb03..6b07c387b 100644
--- a/src/config/Config.coffee
+++ b/src/config/Config.coffee
@@ -1122,4 +1122,5 @@ Config =
 
   siteSoftware: """
     4chan.org yotsuba
+    4cdn.org yotsuba
   """