diff --git a/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdClusters.java b/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdClusters.java
index e3b3c5e24a1a1..eb1ca4f13607e 100644
--- a/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdClusters.java
+++ b/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdClusters.java
@@ -311,7 +311,7 @@ abstract class ClusterDetailsCommand extends BaseCommand {
         protected String brokerClientTrustCertsFilePath;
 
         @Parameter(names = "--listener-name", description = "listenerName when client would like to connect to cluster", required = false)
-        private String listenerName;
+        protected String listenerName;
 
         @Parameter(names = "--cluster-config-file", description = "The path to a YAML config file specifying the "
                 + "cluster's configuration")