3 changed files with 4 additions and 1 deletions
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@ -950,7 +950,8 @@ defp build_emoji_tag({name, url}) do
      "icon" => %{"url" => "#{URI.encode(url)}", "type" => "Image"},
      "name" => ":" <> name <> ":",
      "type" => "Emoji",
-      "updated" => "1970-01-01T00:00:00Z"
+      "updated" => "1970-01-01T00:00:00Z",
+      "id" => nil
    }
  end

--- a/test/pleroma/web/activity_pub/transmogrifier/note_handling_test.exs
+++ b/test/pleroma/web/activity_pub/transmogrifier/note_handling_test.exs
@ -698,6 +698,7 @@ test "take_emoji_tags/1" do
    assert Transmogrifier.take_emoji_tags(user) == [
             %{
               "icon" => %{"type" => "Image", "url" => "https://example.org/firefox.png"},
+               "id" => nil,
               "name" => ":firefox:",
               "type" => "Emoji",
               "updated" => "1970-01-01T00:00:00Z"
--- a/test/pleroma/web/activity_pub/views/user_view_test.exs
+++ b/test/pleroma/web/activity_pub/views/user_view_test.exs
@ -47,6 +47,7 @@ test "Renders with emoji tags" do
             "tag" => [
               %{
                 "icon" => %{"type" => "Image", "url" => "/test"},
+                 "id" => nil,
                 "name" => ":bib:",
                 "type" => "Emoji",
                 "updated" => "1970-01-01T00:00:00Z"