diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/HdfsClientConfigKeys.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/HdfsClientConfigKeys.java
index 1cd9018dc6..fae0c52cc3 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/HdfsClientConfigKeys.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/HdfsClientConfigKeys.java
@@ -291,7 +291,7 @@ interface Failover {
     String  RESOLVE_ADDRESS_NEEDED_KEY = PREFIX + "resolve-needed";
     boolean RESOLVE_ADDRESS_NEEDED_DEFAULT = false;
     String RESOLVE_SERVICE_KEY = PREFIX + "resolver.impl";
-    String  RESOLVE_ADDRESS_TO_FQDN = PREFIX + "useFQDN";
+    String  RESOLVE_ADDRESS_TO_FQDN = PREFIX + "resolver.useFQDN";
     boolean RESOLVE_ADDRESS_TO_FQDN_DEFAULT = true;
   }