diff --git a/test/pleroma/web/metadata/utils_test.exs b/test/pleroma/web/metadata/utils_test.exs
index 665efb9ca..15aa1243b 100644
--- a/test/pleroma/web/metadata/utils_test.exs
+++ b/test/pleroma/web/metadata/utils_test.exs
@@ -77,4 +77,32 @@ defmodule Pleroma.Web.Metadata.UtilsTest do
       assert Utils.scrub_html_and_truncate("Pleroma's really cool!") == "Pleroma's really cool!"
     end
   end
+
+  describe "user_name_string/1" do
+    test "it uses the Endpoint by default" do
+      Pleroma.Web.Endpoint.config_change(
+        [{Pleroma.Web.Endpoint, url: [host: "sub.example.com"]}],
+        []
+      )
+
+      user = insert(:user)
+
+      assert Utils.user_name_string(user) == "#{user.name} (@#{user.nickname}@sub.example.com)"
+    end
+
+    test "it uses any custom WebFinger domain" do
+      Pleroma.Web.Endpoint.config_change(
+        [{Pleroma.Web.Endpoint, url: [host: "sub.example.com"]}],
+        []
+      )
+
+      clear_config([Pleroma.Web.Endpoint, :url, :host], "sub.example.com")
+
+      clear_config([Pleroma.Web.WebFinger, :domain], "example.com")
+
+      user = insert(:user)
+
+      assert Utils.user_name_string(user) == "#{user.name} (@#{user.nickname}@example.com)"
+    end
+  end
 end
diff --git a/test/pleroma/web/web_finger/web_finger_controller_test.exs b/test/pleroma/web/web_finger/web_finger_controller_test.exs
index f2e8e4717..47e72662c 100644
--- a/test/pleroma/web/web_finger/web_finger_controller_test.exs
+++ b/test/pleroma/web/web_finger/web_finger_controller_test.exs
@@ -61,8 +61,6 @@ defmodule Pleroma.Web.WebFinger.WebFingerControllerTest do
 
     user = insert(:user, ap_id: "https://sub.example.com/users/bobby", nickname: "bobby")
 
-    assert Utils.user_name_string(user) == "#{user.name} (@bobby@example.com)"
-
     response =
       build_conn()
       |> put_req_header("accept", "application/jrd+json")