diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncClusterAdminApi2.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncClusterAdminApi2.java
index 16d97baac89..5c7bfa3b9c6 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncClusterAdminApi2.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncClusterAdminApi2.java
@@ -57,7 +57,7 @@ public class TestAsyncClusterAdminApi2 extends TestAsyncAdminBase {
 
   @Before
   public void setUp() throws Exception {
-    TEST_UTIL.startMiniCluster(2, 3);
+    TEST_UTIL.startMiniCluster(1, 3);
     ASYNC_CONN = ConnectionFactory.createAsyncConnection(TEST_UTIL.getConfiguration()).get();
     admin = ASYNC_CONN.getAdmin();
   }