diff --git a/examples/production-cluster-with-metrics.yaml b/examples/production-cluster-with-metrics.yaml
index 5bda11e4e..e1c44f5b0 100644
--- a/examples/production-cluster-with-metrics.yaml
+++ b/examples/production-cluster-with-metrics.yaml
@@ -13,5 +13,5 @@ spec:
     prometheus.io/port: '9101'
     prometheus.io/scrape_interval: '5s'
   mode: Cluster
-  image: arangodb/arangodb:3.7.10'
+  image: 'arangodb/arangodb:3.7.10'
   environment: Production