diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
index 42fb059f09..8074755bfe 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
@@ -378,6 +378,7 @@
                 });
             }
           });
+          $("#table-datanodes").width('100%');
           renderHistogram(data);
           $('#ui-tabs a[href="#tab-datanode"]').tab('show');
         });