diff --git a/lib/towerops/activity_feed.ex b/lib/towerops/activity_feed.ex
index d01284b2..642dea43 100644
--- a/lib/towerops/activity_feed.ex
+++ b/lib/towerops/activity_feed.ex
@@ -167,7 +167,7 @@ defmodule Towerops.ActivityFeed do
         left_join: s in Site,
         on: s.id == d.site_id,
         where: d.organization_id == ^org_id,
-        where: a.alert_type == "device_down",
+        where: a.alert_type == :device_down,
         select: %{
           id: a.id,
           timestamp: a.triggered_at,