diff --git a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterClientProtocol.java b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterClientProtocol.java
index f311b2f3947..8576eae160e 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterClientProtocol.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterClientProtocol.java
@@ -1179,7 +1179,7 @@ public void setBalancerBandwidth(long bandwidth) throws IOException {
     rpcServer.checkOperation(NameNode.OperationCategory.UNCHECKED);
 
     RemoteMethod method = new RemoteMethod("setBalancerBandwidth",
-        new Class<?>[] {Long.class}, bandwidth);
+        new Class<?>[] {long.class}, bandwidth);
     final Set<FederationNamespaceInfo> nss = namenodeResolver.getNamespaces();
     rpcClient.invokeConcurrent(nss, method, true, false);
   }