diff --git a/charts/pulsar/templates/broker-cluster-role-binding.yaml b/charts/pulsar/templates/broker-cluster-role-binding.yaml
index 90ecba5..09dea76 100644
--- a/charts/pulsar/templates/broker-cluster-role-binding.yaml
+++ b/charts/pulsar/templates/broker-cluster-role-binding.yaml
@@ -48,7 +48,7 @@ metadata:
 rules:
 - apiGroups: [""]
   resources:
-  - configmap
+  - configmaps
   verbs: ["get", "list", "watch"]
 - apiGroups: ["", "extensions", "apps"]
   resources: