diff --git a/lib/chiya/notes.ex b/lib/chiya/notes.ex
index 2e5aa7d..8d220a6 100644
--- a/lib/chiya/notes.ex
+++ b/lib/chiya/notes.ex
@@ -49,6 +49,7 @@ defmodule Chiya.Notes do
   def list_notes_by_channel_published(%Chiya.Channels.Channel{} = channel) do
     list_notes_by_channel_query(channel)
     |> order_by([n], desc: n.published_at)
+    |> where([n], not is_nil(n.published_at))
     |> Repo.all()
     |> Repo.preload(@preloads)
   end
@@ -56,6 +57,7 @@ defmodule Chiya.Notes do
   def list_notes_by_channel_updated(%Chiya.Channels.Channel{} = channel) do
     list_notes_by_channel_query(channel)
     |> order_by([n], desc: n.published_at)
+    |> where([n], not is_nil(n.published_at))
     |> Repo.all()
     |> Repo.preload(@preloads)
   end