diff --git a/src/invidious/playlists.cr b/src/invidious/playlists.cr
index ec64bee4..eb084331 100644
--- a/src/invidious/playlists.cr
+++ b/src/invidious/playlists.cr
@@ -107,7 +107,11 @@ struct Playlist
 
       json.field "author", self.author
       json.field "authorId", self.ucid
-      json.field "authorUrl", "/channel/#{self.ucid}"
+      if !self.ucid.empty?
+        json.field "authorUrl", "/channel/#{self.ucid}"
+      else
+        json.field "authorUrl", ""
+      end
       json.field "subtitle", self.subtitle
 
       json.field "authorThumbnails" do