diff --git a/system-apps/monitoring/values.yaml b/system-apps/monitoring/values.yaml
index 9c909b7..1226a88 100644
--- a/system-apps/monitoring/values.yaml
+++ b/system-apps/monitoring/values.yaml
@@ -15,6 +15,7 @@ kube-prometheus-stack:
         enabled: true
   prometheus:
     prometheusSpec:
+      ruleSelectorNilUsesHelmValues: false
       storageSpec:
         volumeClaimTemplate:
           spec: