diff --git a/robusta_krr/core/integrations/prometheus/metrics_service/prometheus_metrics_service.py b/robusta_krr/core/integrations/prometheus/metrics_service/prometheus_metrics_service.py
index 54805124..e97f7546 100644
--- a/robusta_krr/core/integrations/prometheus/metrics_service/prometheus_metrics_service.py
+++ b/robusta_krr/core/integrations/prometheus/metrics_service/prometheus_metrics_service.py
@@ -209,7 +209,7 @@ async def load_pods(self, object: K8sObjectData, period: datetime.timedelta) ->
         current_pods_set = {pod["metric"]["pod"] for pod in current_pods}
         del current_pods
 
-        object.pods += [
+        object.pods += set([
             PodData(name=pod["metric"]["pod"], deleted=pod["metric"]["pod"] not in current_pods_set)
             for pod in related_pods
-        ]
+        ])