diff --git a/tez-dag/src/main/java/org/apache/tez/dag/app/DAGAppMaster.java b/tez-dag/src/main/java/org/apache/tez/dag/app/DAGAppMaster.java
index a8b76204bd..aff76220e5 100644
--- a/tez-dag/src/main/java/org/apache/tez/dag/app/DAGAppMaster.java
+++ b/tez-dag/src/main/java/org/apache/tez/dag/app/DAGAppMaster.java
@@ -2429,7 +2429,7 @@ public static void main(String[] args) {
       Objects.requireNonNull(appSubmitTimeStr,
           ApplicationConstants.APP_SUBMIT_TIME_ENV + " is null");
 
-      Configuration conf = new Configuration();
+      Configuration conf = new TezConfiguration();
 
       AMExtensions amExtensions = getFrameworkService(conf).getAMExtensions();
       DAGProtos.ConfigurationProto confProto = amExtensions.loadConfigurationProto();