diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java
index 89cc6c79a1214..08a777b9a5181 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java
@@ -152,6 +152,7 @@ public HeartbeatResponseProto sendHeartbeat(RpcController controller,
     }
 
     builder.setFullBlockReportLeaseId(response.getFullBlockReportLeaseId());
+    builder.setIsSlownode(response.getIsSlownode());
     return builder.build();
   }