diff --git a/core/src/main/scala/org/apache/spark/rdd/HadoopRDD.scala b/core/src/main/scala/org/apache/spark/rdd/HadoopRDD.scala
index 5cdb80be1ddd8026e537e62b11494d333c753441..dbe76f34316aece155d06607b3dfc87dd72ce39b 100644
--- a/core/src/main/scala/org/apache/spark/rdd/HadoopRDD.scala
+++ b/core/src/main/scala/org/apache/spark/rdd/HadoopRDD.scala
@@ -78,7 +78,7 @@ class HadoopRDD[K: ClassTag, V: ClassTag](
     keyClass: Class[K],
     valueClass: Class[V],
     minSplits: Int,
-    cloneRecords: Boolean)
+    cloneRecords: Boolean = true)
   extends RDD[(K, V)](sc, Nil) with Logging {
 
   def this(