diff --git a/lib/pleroma/activity.ex b/lib/pleroma/activity.ex
index 17af04257..553834da0 100644
--- a/lib/pleroma/activity.ex
+++ b/lib/pleroma/activity.ex
@@ -14,6 +14,7 @@ defmodule Pleroma.Activity do
   alias Pleroma.ReportNote
   alias Pleroma.ThreadMute
   alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.ActivityPub
 
   import Ecto.Changeset
   import Ecto.Query
@@ -153,6 +154,18 @@ def get_bookmark(%Activity{} = activity, %User{} = user) do
 
   def get_bookmark(_, _), do: nil
 
+  def get_report(activity_id) do
+    opts = %{
+      type: "Flag",
+      skip_preload: true,
+      preload_report_notes: true
+    }
+
+    ActivityPub.fetch_activities_query([], opts)
+    |> where(id: ^activity_id)
+    |> Repo.one()
+  end
+
   def change(struct, params \\ %{}) do
     struct
     |> cast(params, [:data, :recipients])
diff --git a/lib/pleroma/web/admin_api/controllers/report_controller.ex b/lib/pleroma/web/admin_api/controllers/report_controller.ex
index 86da93893..6a0e56f5f 100644
--- a/lib/pleroma/web/admin_api/controllers/report_controller.ex
+++ b/lib/pleroma/web/admin_api/controllers/report_controller.ex
@@ -38,7 +38,7 @@ def index(conn, params) do
   end
 
   def show(conn, %{id: id}) do
-    with %Activity{} = report <- Activity.get_by_id(id) do
+    with %Activity{} = report <- Activity.get_report(id) do
       render(conn, "show.json", Report.extract_report_info(report))
     else
       _ -> {:error, :not_found}
diff --git a/test/pleroma/web/admin_api/controllers/report_controller_test.exs b/test/pleroma/web/admin_api/controllers/report_controller_test.exs
index fa746d6ea..958e1d3ab 100644
--- a/test/pleroma/web/admin_api/controllers/report_controller_test.exs
+++ b/test/pleroma/web/admin_api/controllers/report_controller_test.exs
@@ -37,12 +37,21 @@ test "returns report by its id", %{conn: conn} do
           status_ids: [activity.id]
         })
 
+      conn
+      |> put_req_header("content-type", "application/json")
+      |> post("/api/pleroma/admin/reports/#{report_id}/notes", %{
+        content: "this is an admin note"
+      })
+
       response =
         conn
         |> get("/api/pleroma/admin/reports/#{report_id}")
         |> json_response_and_validate_schema(:ok)
 
       assert response["id"] == report_id
+
+      [notes] = response["notes"]
+      assert notes["content"] == "this is an admin note"
     end
 
     test "returns 404 when report id is invalid", %{conn: conn} do