diff --git a/gluten-core/src/main/scala/org/apache/spark/sql/hive/HivePartitionConverter.scala b/gluten-core/src/main/scala/org/apache/spark/sql/hive/HivePartitionConverter.scala
index 2825730e938d..e8380ce2b0f5 100644
--- a/gluten-core/src/main/scala/org/apache/spark/sql/hive/HivePartitionConverter.scala
+++ b/gluten-core/src/main/scala/org/apache/spark/sql/hive/HivePartitionConverter.scala
@@ -111,7 +111,7 @@ class HivePartitionConverter(hadoopConf: Configuration, session: SparkSession)
               }
             })
           .filter(isNonEmptyDataFile)
-        PartitionDirectory(partValues, dirContents.toArray)
+        PartitionDirectory(partValues, dirContents)
     }
   }