diff --git a/lib/towerops_web/live/graph_live/show.ex b/lib/towerops_web/live/graph_live/show.ex
index 45af36cf..4042890d 100644
--- a/lib/towerops_web/live/graph_live/show.ex
+++ b/lib/towerops_web/live/graph_live/show.ex
@@ -28,10 +28,8 @@ defmodule ToweropsWeb.GraphLive.Show do
          |> push_navigate(to: ~p"/devices")}
 
       device ->
-        # Preload site and organization to check access
-        device = Repo.preload(device, site: :organization)
-
-        if device.site.organization_id == organization.id do
+        # Check if device belongs to current organization
+        if device.organization_id == organization.id do
           maybe_subscribe_to_device(socket, device_id)
 
           range = Map.get(params, "range", "24h")