diff --git a/demo01-kafka-ui6/values.yaml b/demo01-kafka-ui6/values.yaml
index b28328f..c8dd830 100644
--- a/demo01-kafka-ui6/values.yaml
+++ b/demo01-kafka-ui6/values.yaml
@@ -8,7 +8,7 @@ yamlApplicationConfig:
   kafka:
     clusters:
     - name: kafka-cluster
-      bootstrapServers: SASL_PLAINTEXT://kafka-cluster-kafka-tls-bootstrap.$kafka_cluster_namespace.svc.cluster.local:9093
+      bootstrapServers: SASL_PLAINTEXT://kafka-cluster-kafka-tls-bootstrap.kafka-cluster.svc.cluster.local:9093
       properties:
         security.protocol: SASL_PLAINTEXT
         sasl.mechanism: OAUTHBEARER