diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/cblock/CBlockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/cblock/CBlockManager.java
index 4095530358b..30563c3434c 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/cblock/CBlockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/cblock/CBlockManager.java
@@ -363,5 +363,6 @@ public static void main(String[] args) throws Exception {
         client, new XceiverClientManager(ozoneConf));
     CBlockManager cbm = new CBlockManager(ozoneConf, storageClient);
     cbm.start();
+    cbm.join();
   }
 }