diff --git a/values/prometheus/env-oceanbox.yaml.gotmpl b/values/prometheus/env-oceanbox.yaml.gotmpl
index 72e51d26..c32e349d 100644
--- a/values/prometheus/env-oceanbox.yaml.gotmpl
+++ b/values/prometheus/env-oceanbox.yaml.gotmpl
@@ -9,7 +9,7 @@ prometheus:
   - remote-write-reciever
   grafana:
     persistence: true
-    plugin:
+    plugins:
     - volkovlabs-image-panel
   thanos:
     enabled: true