diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java
index a4e0742fa9e..4a0d75e2604 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java
@@ -965,7 +965,7 @@ protected void completeFile(ExtendedBlock last) throws IOException {
         }
         try {
           if (retries == 0) {
-            throw new IOException("Unable to close file because the last block"
+            throw new IOException("Unable to close file because the last block "
                 + last + " does not have enough number of replicas.");
           }
           retries--;