diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
index 48463f996..77d0f2aa3 100644
--- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
@@ -240,7 +240,7 @@ def filter(object), do: {:ok, object}
 
   @impl true
   def describe do
-    exclusions = Config.get([:mrf, :transparency_exclusions])
+    exclusions = Config.get([:mrf, :transparency_exclusions]) |> MRF.instance_list_from_tuples()
 
     mrf_simple =
       Config.get(:mrf_simple)
diff --git a/test/web/node_info_test.exs b/test/web/node_info_test.exs
index 077852445..15dd16a82 100644
--- a/test/web/node_info_test.exs
+++ b/test/web/node_info_test.exs
@@ -172,7 +172,7 @@ test "it shows MRF transparency data if enabled", %{conn: conn} do
   test "it performs exclusions from MRF transparency data if configured", %{conn: conn} do
     clear_config([:mrf, :policies], [Pleroma.Web.ActivityPub.MRF.SimplePolicy])
     clear_config([:mrf, :transparency], true)
-    clear_config([:mrf, :transparency_exclusions], ["other.site"])
+    clear_config([:mrf, :transparency_exclusions], [{"other.site", "We don't want them to know"}])
 
     simple_config = %{"reject" => [{"example.com", ""}, {"other.site", ""}]}
     clear_config(:mrf_simple, simple_config)