diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
index f9a047b3533..93536fdc7b2 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
@@ -1690,7 +1690,8 @@ public class DataNode extends ReconfigurableBase
       throw new AccessControlException(
           "Can't continue with getBlockLocalPathInfo() "
               + "authorization. The user " + currentUser
-              + " is not allowed to call getBlockLocalPathInfo");
+              + " is not configured in "
+              + DFSConfigKeys.DFS_BLOCK_LOCAL_PATH_ACCESS_USER_KEY);
     }
   }