diff --git a/k8s/core/prom-stack/grafana-values.yaml b/k8s/core/prom-stack/grafana-values.yaml
index 9f806ecb..ed1948a1 100644
--- a/k8s/core/prom-stack/grafana-values.yaml
+++ b/k8s/core/prom-stack/grafana-values.yaml
@@ -35,11 +35,13 @@ datasources:
     datasources:
       - name: Prometheus Local
         type: prometheus
+        uid: prometheus
         url: http://prometheus-kube-prometheus-prometheus.prometheus.svc:9090
         access: proxy
         isDefault: true
       - name: Loki
         type: loki
+        uid: loki
         url: http://loki-gateway.prometheus.svc:80
         access: proxy