diff --git a/src/daq/jobs/healthcheck.py b/src/daq/jobs/healthcheck.py
index 283fbfa..d5b4bf0 100644
--- a/src/daq/jobs/healthcheck.py
+++ b/src/daq/jobs/healthcheck.py
@@ -157,7 +157,7 @@ def handle_checks(self):
 
         # Alert if it's new
         for item, should_alert in res:
-            item_id = id(item)
+            item_id = id(item.to_json())
             if should_alert and item_id not in self._sent_alert_items:
                 self._sent_alert_items.add(item_id)
                 self.send_alert(item)