diff --git a/hyracks-dataflow-hadoop/src/main/java/edu/uci/ics/hyracks/dataflow/hadoop/HadoopReadOperatorDescriptor.java b/hyracks-dataflow-hadoop/src/main/java/edu/uci/ics/hyracks/dataflow/hadoop/HadoopReadOperatorDescriptor.java
index 0c75d30..53d1a7f 100644
--- a/hyracks-dataflow-hadoop/src/main/java/edu/uci/ics/hyracks/dataflow/hadoop/HadoopReadOperatorDescriptor.java
+++ b/hyracks-dataflow-hadoop/src/main/java/edu/uci/ics/hyracks/dataflow/hadoop/HadoopReadOperatorDescriptor.java
@@ -159,6 +159,7 @@
                     if (appender.getTupleCount() > 0) {
                         FrameUtils.flushFrame(outBuffer, writer);
                     }
+                    writer.close();
                     hadoopRecordReader.close();
                 } catch (InstantiationException e) {
                     throw new HyracksDataException(e);