diff --git a/lib/pleroma/signature.ex b/lib/pleroma/signature.ex
index 5cfdae051b..8fd422a6e9 100644
--- a/lib/pleroma/signature.ex
+++ b/lib/pleroma/signature.ex
@@ -27,7 +27,7 @@ def key_id_to_actor_id(key_id) do
 
       _ ->
         case Pleroma.Web.WebFinger.finger(maybe_ap_id) do
-          %{"ap_id" => ap_id} -> {:ok, ap_id}
+          {:ok, %{"ap_id" => ap_id}} -> {:ok, ap_id}
           _ -> {:error, maybe_ap_id}
         end
     end
diff --git a/test/pleroma/signature_test.exs b/test/pleroma/signature_test.exs
index f5a915fa8b..8edf67a7bc 100644
--- a/test/pleroma/signature_test.exs
+++ b/test/pleroma/signature_test.exs
@@ -113,7 +113,7 @@ test "it deduces the actor id for gotoSocial" do
 
     test "it calls webfinger for 'acct:' accounts" do
       with_mock(Pleroma.Web.WebFinger,
-        finger: fn _ -> %{"ap_id" => "https://gensokyo.2hu/users/raymoo"} end
+        finger: fn _ -> {:ok, %{"ap_id" => "https://gensokyo.2hu/users/raymoo"}} end
       ) do
         assert Signature.key_id_to_actor_id("acct:raymoo@gensokyo.2hu") ==
                  {:ok, "https://gensokyo.2hu/users/raymoo"}