diff --git a/_posts/plotly_js/basic/bar/2018-02-27-bar-base.html b/_posts/plotly_js/basic/bar/2018-02-27-bar-base.html
index 23a498d17463..3fccabd15af1 100644
--- a/_posts/plotly_js/basic/bar/2018-02-27-bar-base.html
+++ b/_posts/plotly_js/basic/bar/2018-02-27-bar-base.html
@@ -14,6 +14,7 @@
     x: ['2016','2017','2018'],
     y: [500,600,700],
     base: [-500,-600,-700],
+    hovertemplate: '%{base}'
     marker: {
       color: 'red'
     },