diff --git a/appuio/stardog/templates/monitoring/stardog-rules.yaml b/appuio/stardog/templates/monitoring/stardog-rules.yaml
index e0d42d1b..0a178f23 100644
--- a/appuio/stardog/templates/monitoring/stardog-rules.yaml
+++ b/appuio/stardog/templates/monitoring/stardog-rules.yaml
@@ -48,7 +48,7 @@ spec:
     {{- if .Values.ingress.enabled }}
     - alert: HttpCheck
       expr: probe_success{instance="https://{{ .Values.ingress.host }}/admin/healthcheck"} != 1
-      for: {{ default "1m" .Values.alerts.httpCheck.for | quote }}
+      for: {{ default "1m" (((.Values.alerts).httpCheck).for) | quote }}
       annotations:
         summary: Http check failed
         description: "Http check failed on {{ "{{" }} $labels.instance {{ "}}" }}"