3 files changed, 7 insertions, 3 deletions
diff --git a/lib/pleroma/web/activity_pub/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex
index ac00fa54b..5ac4f9f20 100644
--- a/lib/pleroma/web/activity_pub/mrf.ex
+++ b/lib/pleroma/web/activity_pub/mrf.ex
@@ -100,6 +100,11 @@ defmodule Pleroma.Web.ActivityPub.MRF do
     Enum.any?(domains, fn domain -> Regex.match?(domain, host) end)
   end
 
+  @spec instance_list_from_tuples([{String.t(), String.t()}]) :: [String.t()]
+  def instance_list_from_tuples(list) do
+    Enum.map(list, fn {instance, _} -> instance end)
+  end
+
   def describe(policies) do
     {:ok, policy_configs} =
       policies
diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
index 8ef03aa3a..fe0dc874b 100644
--- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
@@ -187,9 +187,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
 
   defp instance_list(config_key) do
     Config.get([:mrf_simple, config_key])
-    |> Enum.map(fn
-      {instance, _} -> instance
-    end)
+    |> MRF.instance_list_from_tuples()
   end
 
   @impl true
diff --git a/lib/pleroma/web/activity_pub/publisher.ex b/lib/pleroma/web/activity_pub/publisher.ex
index 590beef64..4f29a4411 100644
--- a/lib/pleroma/web/activity_pub/publisher.ex
+++ b/lib/pleroma/web/activity_pub/publisher.ex
@@ -112,6 +112,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
 
       quarantined_instances =
         Config.get([:instance, :quarantined_instances], [])
+        |> Pleroma.Web.ActivityPub.MRF.instance_list_from_tuples()
         |> Pleroma.Web.ActivityPub.MRF.subdomains_regex()
 
       !Pleroma.Web.ActivityPub.MRF.subdomain_match?(quarantined_instances, host)