diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/diskbalancer/command/QueryCommand.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/diskbalancer/command/QueryCommand.java
index 6a89e248f59..f5d4cfacd82 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/diskbalancer/command/QueryCommand.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/diskbalancer/command/QueryCommand.java
@@ -84,7 +84,7 @@ public void execute(CommandLine cmd) throws Exception {
         System.out.printf("%s", workStatus.currentStateString());
       }
     } catch (DiskBalancerException ex) {
-      LOG.error("Query plan failed. ex: {}", ex);
+      LOG.error("Query plan failed.", ex);
       throw ex;
     }
   }