diff --git a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
index b5bd3615078..71cc6bae5f9 100644
--- a/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
+++ b/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java
@@ -305,6 +305,9 @@ public static OzoneManager createOm(String[] argv,
       terminate(0);
       return null;
     default:
+      if (argv == null) {
+        argv = new String[]{};
+      }
       StringUtils.startupShutdownMessage(OzoneManager.class, argv, LOG);
       return new OzoneManager(conf);
     }