diff --git a/test/web/activity_pub/activity_pub_test.exs b/test/web/activity_pub/activity_pub_test.exs
index a203d1d30..f29497847 100644
--- a/test/web/activity_pub/activity_pub_test.exs
+++ b/test/web/activity_pub/activity_pub_test.exs
@@ -839,6 +839,39 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
     end
   end
 
+  describe "announcing a private object" do
+    test "adds an announce activity to the db if the audience is not widened" do
+      user = insert(:user)
+      {:ok, note_activity} = CommonAPI.post(user, %{"status" => ".", "visibility" => "private"})
+      object = Object.normalize(note_activity)
+
+      {:ok, announce_activity, object} = ActivityPub.announce(user, object, nil, true, false)
+
+      assert announce_activity.data["to"] == [User.ap_followers(user)]
+
+      assert announce_activity.data["object"] == object.data["id"]
+      assert announce_activity.data["actor"] == user.ap_id
+      assert announce_activity.data["context"] == object.data["context"]
+    end
+
+    test "does not add an announce activity to the db if the audience is widened" do
+      user = insert(:user)
+      {:ok, note_activity} = CommonAPI.post(user, %{"status" => ".", "visibility" => "private"})
+      object = Object.normalize(note_activity)
+
+      assert {:error, _} = ActivityPub.announce(user, object, nil, true, true)
+    end
+
+    test "does not add an announce activity to the db if the announcer is not the author" do
+      user = insert(:user)
+      announcer = insert(:user)
+      {:ok, note_activity} = CommonAPI.post(user, %{"status" => ".", "visibility" => "private"})
+      object = Object.normalize(note_activity)
+
+      assert {:error, _} = ActivityPub.announce(announcer, object, nil, true, false)
+    end
+  end
+
   describe "unannouncing an object" do
     test "unannouncing a previously announced object" do
       note_activity = insert(:note_activity)