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 4d23b46..0c75d30 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
@@ -156,6 +156,9 @@
                             }
                         }
                     }
+                    if (appender.getTupleCount() > 0) {
+                        FrameUtils.flushFrame(outBuffer, writer);
+                    }
                     hadoopRecordReader.close();
                 } catch (InstantiationException e) {
                     throw new HyracksDataException(e);