diff --git a/superset/assets/src/visualizations/nvd3_vis.js b/superset/assets/src/visualizations/nvd3_vis.js
index 33694dddf4..efa8064dc0 100644
--- a/superset/assets/src/visualizations/nvd3_vis.js
+++ b/superset/assets/src/visualizations/nvd3_vis.js
@@ -331,9 +331,9 @@ export default function nvd3Vis(slice, payload) {
             `<tr><td style="color: ${p.color};">` +
               `<strong>${p[fd.entity]}</strong> (${p.group})` +
             '</td></tr>');
-          s += row(fd.x, xAxisFormatter(p.x));
-          s += row(fd.y, yAxisFormatter(p.y));
-          s += row(fd.size, formatter(p.size));
+          s += row(fd.x.label || fd.x, xAxisFormatter(p.x));
+          s += row(fd.y.label || fd.y, yAxisFormatter(p.y));
+          s += row(fd.size.label || fd.size, formatter(p.size));
           s += '</table>';
           return s;
         });