diff --git a/k8s/memcached.yaml b/k8s/memcached.yaml
index 56f55d9b7..e94066c9e 100644
--- a/k8s/memcached.yaml
+++ b/k8s/memcached.yaml
@@ -57,7 +57,7 @@ kind: Service
 metadata:
   name: memcached
   annotations:
-    k8s.grafana.com/scrape: "yes"
+    k8s.grafana.com/scrape: "true"  # this is not a bool
     k8s.grafana.com/metrics.portName: "metrics"
 spec:
   type: ClusterIP